Bivalvia: A class in the phylum MOLLUSCA comprised of mussels; clams; OYSTERS; COCKLES; and SCALLOPS. They are characterized by a bilaterally symmetrical hinged shell and a muscular foot used for burrowing and anchoring.Mytilidae: A family of marine MUSSELS in the class BIVALVIA.Mollusca: A phylum of the kingdom Metazoa. Mollusca have soft, unsegmented bodies with an anterior head, a dorsal visceral mass, and a ventral foot. Most are encased in a protective calcareous shell. It includes the classes GASTROPODA; BIVALVIA; CEPHALOPODA; Aplacophora; Scaphopoda; Polyplacophora; and Monoplacophora.Pectinidae: A large family of mollusks in the class BIVALVIA, known commonly as scallops. They possess flat, almost circular shells and are found in all seas from shallow water to great depths.Unionidae: A family of freshwater mussels in the class BIVALVIA. They differ from ZEBRA MUSSELS in that they are larger and posses a larval stage called glochidia, which requires attachment to the GILLS or fins of particular species of FISHES.Gills: Paired respiratory organs of fishes and some amphibians that are analogous to lungs. They are richly supplied with blood vessels by which oxygen and carbon dioxide are exchanged directly with the environment.Perna: A genus of freshwater mussel in the family MYTILIDAE, class BIVALVIA. It is found in tropical and warm temperate coastal waters. Most species have green in their shells.Symbiosis: The relationship between two different species of organisms that are interdependent; each gains benefits from the other or a relationship between different species where both of the organisms in question benefit from the presence of the other.Rivers: Large natural streams of FRESH WATER formed by converging tributaries and which empty into a body of water (lake or ocean).Atlantic OceanDNA, Mitochondrial: Double-stranded DNA of MITOCHONDRIA. In eukaryotes, the mitochondrial GENOME is circular and codes for ribosomal RNAs, transfer RNAs, and about 10 proteins.Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.Sequence Analysis, DNA: A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.RNA, Ribosomal, 16S: Constituent of 30S subunit prokaryotic ribosomes containing 1600 nucleotides and 21 proteins. 16S rRNA is involved in initiation of polypeptide synthesis.Molecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.DNA, Ribosomal: DNA sequences encoding RIBOSOMAL RNA and the segments of DNA separating the individual ribosomal RNA genes, referred to as RIBOSOMAL SPACER DNA.Bacteria: One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.Evolution, Molecular: The process of cumulative change at the level of DNA; RNA; and PROTEINS, over successive generations.Fresh Water: Water containing no significant amounts of salts, such as water from RIVERS and LAKES.Acari: A large, subclass of arachnids comprising the MITES and TICKS, including parasites of plants, animals, and humans, as well as several important disease vectors.Corbicula: A genus of freshwater clams, in the family Corbiculidae, class BIVALVIA. It originated in Asia but was introduced in North America and is now found throughout the United States.Spisula: A genus of surf clams in the family Mactridae, class BIVALVIA. They are often used in EMBRYOLOGY research.Echinostomatidae: A family of flukes (TREMATODA) characterized by a collar of spines at their anterior end. The body is elongated and is covered with spines, and the two suckers are usually close together. (Noble et al., Parasitology: the Biology of Animal Parasites, 6th ed, p183)Karyotyping: Mapping of the KARYOTYPE of a cell.In Situ Hybridization, Fluorescence: A type of IN SITU HYBRIDIZATION in which target sequences are stained with fluorescent dye so their location and size can be determined using fluorescence microscopy. This staining is sufficiently distinct that the hybridization signal can be seen both in metaphase spreads and in interphase nuclei.Heterochromatin: The portion of chromosome material that remains condensed and is transcriptionally inactive during INTERPHASE.Spermatozoa: Mature male germ cells derived from SPERMATIDS. As spermatids move toward the lumen of the SEMINIFEROUS TUBULES, they undergo extensive structural changes including the loss of cytoplasm, condensation of CHROMATIN into the SPERM HEAD, formation of the ACROSOME cap, the SPERM MIDPIECE and the SPERM TAIL that provides motility.Axoneme: A bundle of MICROTUBULES and MICROTUBULE-ASSOCIATED PROTEINS forming the core of each CILIUM or FLAGELLUM. In most eukaryotic cilia or flagella, an axoneme shaft has 20 microtubules arranged in nine doublets and two singlets.Sperm Tail: The posterior filiform portion of the spermatozoon (SPERMATOZOA) that provides sperm motility.Sperm Motility: Movement characteristics of SPERMATOZOA in a fresh specimen. It is measured as the percentage of sperms that are moving, and as the percentage of sperms with productive flagellar motion such as rapid, linear, and forward progression.Mytilus: A genus of marine mussels in the family MYTILIDAE, class BIVALVIA. The species MYTILUS EDULIS is the highly edible common mussel.Mytilus edulis: A species of mussel in the genus MYTILUS, family MYTILIDAE, class BIVALVIA, known as the common mussel. It has a bluish-black shell and is highly edible.Marine Biology: The study of the origin, structure, development, growth, function, genetics, and reproduction of organisms which inhabit the OCEANS AND SEAS.Muscle Proteins: The protein constituents of muscle, the major ones being ACTINS and MYOSINS. More than a dozen accessory proteins exist including TROPONIN; TROPOMYOSIN; and DYSTROPHIN.Genome, Mitochondrial: The genetic complement of MITOCHONDRIA as represented in their DNA.Materia Medica: Materials or substances used in the composition of traditional medical remedies. The use of this term in MeSH was formerly restricted to historical articles or those concerned with traditional medicine, but it can also refer to homeopathic remedies. Nosodes are specific types of homeopathic remedies prepared from causal agents or disease products.Paleontology: The study of early forms of life through fossil remains.North AmericaBiological Evolution: The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.Journal Impact Factor: A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time.BooksMicrobiology: The study of microorganisms such as fungi, bacteria, algae, archaea, and viruses.Internet: A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.Students: Individuals enrolled in a school or formal educational program.Computer-Assisted Instruction: A self-learning technique, usually online, involving interaction of the student with programmed instructional materials.Cardiidae: A family of bivalve MOLLUSKS with heart-shaped shells, commonly known as cockles. Unlike most BIVALVES, cockles are hermaphroditic.Ostreidae: A family of marine mollusks in the class BIVALVIA, commonly known as oysters. They have a rough irregular shell closed by a single adductor muscle.Shellfish: Aquatic invertebrates belonging to the phylum MOLLUSCA or the subphylum CRUSTACEA, and used as food.South Australia: A state in south central Australia. Its capital is Adelaide. It was probably first visited by F. Thyssen in 1627. Later discoveries in 1802 and 1830 opened up the southern part. It became a British province in 1836 with this self-descriptive name and became a state in 1901. (From Webster's New Geographical Dictionary, 1988, p1135)Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)GreenlandMongolia: The country is bordered by RUSSIA on the north and CHINA on the west, south, and east. The capita is Ulaanbaatar.Tooth: One of a set of bone-like structures in the mouth used for biting and chewing.Fossils: Remains, impressions, or traces of animals or plants of past geological times which have been preserved in the earth's crust.Hydrology: Science dealing with the properties, distribution, and circulation of water on and below the earth's surface, and atmosphere.

Fluorimetric multiparameter cell assay at the single cell level fabricated by optical tweezers. (1/906)

A fluorimetric multi-parameter cell sensor at the single cell level is presented which makes it possible to observe the physiological behavior of different cell lines, different physiological parameters, and statistical data at the same time. Different cell types were immobilized at predefined positions with high accuracy using optical tweezers and adhesion promoting surface layers. The process is applicable to both adherent and non-adherent cells. Coating of the immobilization area with mussel adhesive protein was shown to be essential for the process. Intracellular proton and calcium concentrations in different cell classes were simultaneously imaged and the specific activation of T lymphocytes was demonstrated. This method should be especially useful for drug screening due to the small sample volume and high information density.  (+info)

Tumor-like lesions in the mantle of the mussel Modiolus difficilis from the Sea of Japan. (2/906)

Two inner growths in the mantle beneath the epithelium were found in 1 of 1000 mussels Modiolus difficilis from Amursky Bay, Sea of Japan, within the city precincts of Vladivostok. Both growths were about 2000 microns in maximal diameter in section and elevated slightly above the mantle surface. The mantle epithelium near the growths formed deep invaginations, and clusters of mucous cells were numerous beneath the epithelium. Histological and histochemical methods were employed. Two different kinds of growth were revealed. The off-white growth consisted of cells with thin granular or vesicular cytoplasm containing glucosaminoglycans, proteins and a small amount of neutral polysaccharides. Growth cells were pure white in color after treatment of preparations with 1% H2SO4 and differed markedly from the mantle cells. The yellow growth consisted of large granular cells with neutral polysaccharides and proteins. Although growths were composed of different kinds of cells, they seemed to be derived from subepithelial mucous cells. This was supported by histological and histochemical staining reactions of some tumor and mantle epithelial cells. Mitotic indices (MI) of growths and subepithelial mucous cells were zero, MI of ciliated mantle epithelium reached 0.07%. The lesions were areas of strongly altered mucous cells of mantle epithelium and were non-neoplastic.  (+info)

Heart action of the freshwater bivalve Anodonta anatina during activity. (3/906)

1. Heart action of Anodonta anatina (L.) was investigated by recording the electrocardiogram (ECG), heart impedance, and ventricular and pericardial cavity pressure during different aspects of the normal behaviour. The contribution of mechanical and nervous mechanisms in controlling changes in heart action is discussed. 2. Pressure recordings were generally more reliable than the other methods and it is suggested that pericardial pressure pulses indicate the stroke volume output of the ventricle. 3. During spontaneous periods of prolonged shell closure there was an initial small increase in heart activity followed by a large reduction in both heart rate and systolic pressure, indicating that total heart output was considerably reduced. When the shell reopened, heart rate increased very rapidly with an initial overshoot of the normal level; systolic pressure increased more slowly with no overshoot. 4. These major changes in heart activity appear to be associated with respiratory changes and are controlled largely by the nervous regulatory system, but some minor rhythmic variations in the amplitude of heart beat are probably caused by mechanical factors. 5. Characteristic patterns of change in heart action were recorded during burrowing. These appear to result from haemodynamic changes associated with the muscular movements of the digging cycle. Control of the heart by the nervous regulatory system is apparently of much greater importance in relation to respiratory control than in relation to the haemodynamic functioning of the fluid-muscle system in locomotion.  (+info)

Dynein is required for spindle assembly in cytoplasmic extracts of Spisula solidissima oocytes. (4/906)

Meiosis I spindle assembly is induced in lysate-extract mixtures prepared from clam (Spisula solidissima) oocytes. Unactivated lysate prepared from unactivated oocytes contain nuclei (germinal vesicles, GVs) which house condensed chromosomes. Treatment of unactivated lysate with clarified activated extract prepared from oocytes induced to complete meiosis by treatment with KCl induces GV breakdown (GVBD) and assembly of monopolar, bipolar, and multipolar aster-chromosome complexes. The process of in vitro meiosis I spindle assembly involves the assembly of microtubule asters and the association of these asters with the surfaces of the GVs, followed by GVBD and spindle assembly. Monoclonal antibody m74-1, known to react specifically with the N terminus of the intermediate chain of cytoplasmic dynein, recognizes Spisula oocyte dynein and inhibits in vitro meiosis I spindle assembly. Control antibody has no affect on spindle assembly. A similar inhibitory effect on spindle assembly was observed in the presence of orthovanadate, a known inhibitor of dynein ATPase activity. Neither m74-1 nor orthovanadate has any obvious affect on GVBD or aster formation. We propose that dynein function is required for the association of chromosomes with astral microtubules during in vitro meiosis I spindle assembly in these lysate-extract mixtures. However, we conclude that dynein function is not required for centrosome assembly and maturation or for centrosome-dependent aster formation.  (+info)

Ca2+ is required for phosphorylation of clam p82/CPEB in vitro: implications for dual and independent roles of MAP and Cdc2 kinases. (5/906)

During early development gene expression is controlled principally at the translational level. Oocytes of the surf clam Spisula solidissima contain large stockpiles of maternal mRNAs which are translationally dormant or masked until meiotic maturation. Fertilisation of the oocyte leads to rapid polysomal recruitment of the abundant cyclin and ribonucleotide reductase mRNAs at about the time they undergo cytoplasmic polyadenylation. Clam p82, a 3' UTR RNA-binding protein, and a member of the CPEB (cytoplasmic polyadenylation element binding protein) family, functions as a translational masking factor in oocytes and as a polyadenylation factor in fertilised eggs. In meiotically maturing clam oocytes, p82/CPEB is rapidly phosphorylated on multiple residues to a 92-kDa apparent size, prior to its degradation during the first cell cleavage. Here we examine the protein kinase(s) that phosphorylates clam p82/CPEB using a clam oocyte activation cell-free system that responds to elevated pH, mirroring the pH rise that accompanies fertilisation. We show that p82/CPEB phosphorylation requires Ca2+ (<100 microM) in addition to raised pH. Examination of the calcium dependency combined with the use of specific inhibitors implicates the combined and independent actions of cdc2 and MAP kinases in p82/CPEB phosphorylation. Calcium is necessary for both the activation and the maintenance of MAP kinase, whose activity is transient in vitro, as in vivo. While cdc2 kinase plays a role in the maintenance of MAP kinase activity, it is not required for the activation of MAP kinase. We propose a model of clam p82/CPEB phosphorylation in which MAP kinase initially phosphorylates clam p82/CPEB, at a minor subset of sites that does not alter its migration, and cdc2 kinase is necessary for the second wave of phosphorylation that results in the large mobility size shift of clam p82/CPEB. The possible roles of phosphorylation for the function and regulation of p82/CPEB are discussed.  (+info)

Actin filament-membrane attachment: are membrane particles involved? (6/906)

The association of actin filaments with membranes is an important feature in the motility of nonmuscle cells. We investigated the role of membrane particles in the attachment of actin filaments to membranes in those systems in which the attachment site can be identified. Freeze fractures through the end-on attachment site of the acrosomal filament bundles in Mytilus (mussel) and Limulus (horseshoe crab) sperm and the attachment site of the microvillar filament bundles in the brush border of intestinal epithelial cells were examined. There are no particles on the P face of the membrane at these sites in the sperm systems and generally none at these sites in microvilli. In microvilli, the actin filaments are also attached along their lengths to the membrane by bridges. When the isolated brush border is incubated in high concentrations of Mg++ (15 mM), the actin filaments form paracrystals and, as a result, the bridges are in register (330 A period). Under these conditions, alignment of the particles on the P face of the membrane into circumferential bands also occurs. However, these bands are generally separated by 800-900 A, indicating that all the bridges cannot be directly attached to membrane particles. Thus membrane particles are not directly involved in the attachment of actin filaments to membranes.  (+info)

Interspecies transfer of female mitochondrial DNA is coupled with role-reversals and departure from neutrality in the mussel Mytilus trossulus. (7/906)

Mussels of the genus Mytilus have distinct and highly diverged male and female mitochondrial DNA (mtDNA) genomes with separate routes of inheritance. Previous studies of European populations of Mytilus trossulus demonstrated that 33% of males are heteroplasmic for a second mtDNA genome of increased length and that hybridization with Mytilus edulis does not block mtDNA introgression, in contrast to reports for American populations. Here, we demonstrate that the female mtDNA type of M. edulis has replaced the resident female mtDNA type of European M. trossulus. This is supported by COIII sequence data indicating that the female mtDNA of European M. trossulus is very similar to that of M. edulis and that in phylogenetic trees, the mtDNAs of these two species cluster together but separately from American M. trossulus sequences, the latter not being disturbed by introgressive hybridization. We also provide evidence that the mtDNA genome of increased length found in heteroplasmic males of European M. trossulus derives from a recent partition of an introgressed M. edulis female type into the male route of transmission. Neutrality tests reveal that European populations of M. trossulus display an excess of replacement polymorphism within the female mtDNA type with respect to conspecific American populations, as well as a significant excess of rare variants, of a similar magnitude to those previously reported for the invading European M. edulis mtDNA. Results are consistent with a nearly neutral model of molecular evolution and suggest that selection acting on European M. trossulus mtDNA is largely independent of the nuclear genetic background.  (+info)

Mytilus mitochondrial DNA contains a functional gene for a tRNASer(UCN) with a dihydrouridine arm-replacement loop and a pseudo-tRNASer(UCN) gene. (8/906)

A 2500-nucleotide pair (ntp) sequence of F-type mitochondrial (mt) DNA of the Pacific Rim mussel Mytilus californianus (class Bivalvia, phylum Mollusca) that contains two complete (ND2 and ND3) and two partial (COI and COIII) protein genes and nine tRNA genes is presented. Seven of the encoded tRNAs (Ala, Arg, His, Met(AUA), Pro, Ser(UCN), and Trp) have the potential to fold into the orthodox four-armed tRNA secondary structure, while two [tRNASer(AGN) and a second tRNASer(UCN)] will fold only into tRNAs with a dihydrouridine (DHU) arm-replacement loop. Comparison of these mt-tRNA gene sequences with previously published, corresponding M. edulis F-type mtDNA indicates that similarity between the four-armed tRNASer(UCN) genes is only 63.8% compared with an average of 92.1% (range 86.2-98. 5%) for the remaining eight tRNA genes. Northern blot analysis indicated that mature tRNAs encoded by the DHU arm-replacement loop-containing tRNASer(UCN), tRNASer(AGN), tRNAMet(AUA), tRNATrp, and tRNAPro genes occur in M. californianus mitochondria, strengthening the view that all of these genes are functional. However, Northern blot and 5' RACE (rapid amplification of cDNA ends) analyses indicated that the four-armed tRNASer(UCN) gene is transcribed into a stable RNA that includes the downstream COI sequence and is not processed into a mature tRNA. On the basis of these observations the M. californianus and M. edulis four-armed tRNASer(UCN) sequences are interpreted as pseudo-tRNASer(UCN) genes.  (+info)

Among the potential biotic factors affecting population dynamics, parasitism has received relatively little attention. The purpose of this study was to inventory marine bivalve parasites and to investigate relations between different parasite communities. Five intertidal stations along the French Atlantic shore were studied between Brittany and Arcachon Bay. Two bivalves (the edible cockle, Cerastoderma edule, and the Manila clam, Ruditapes philippinarum) were sampled and examined. The parasites included a bacterium (Vibrio tapetis), a protozoan (Perkinsus sp.), and digenetic trematode metacercariae (10 species). Perkinsus sp. prevalence and density in clams were higher than those measured in cockles (30 250 vs. 36 cells g−1 of gill wet weight, respectively) while digeneans were more common in cockles (46 metacercariae per cockle host vs. 1 per clam host). Distributions of digeneans and Perkinsus sp. were similar along the Atlantic shore. However, at each sampling station and at the individual scale,
Mono- and Stereopictres of 5.0 Angstrom coordination sphere of Iron atom in PDB 3g53: Ligand Migration And Cavities Within Scapharca Dimeric Hemoglobin: Wild Type With Co Bound To Heme and Chloropropyl Benzene Bound to the XE4 Cavity
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Chemically skinned anterior byssus retractor muscle (ABRM) preparations were prepared by treatment with the nonionic detergents saponin and Triton X-100. Both maximum peak tension and rate of contraction were found to be greater in saponin-treated ABRM than in ABRM treated with Triton X-100. Active tension was initiated at a concentration of free Ca2+ above 0.1 microM, and maximum tension development was found at a [Ca2+] = approximately 32 microM. During exposure of the muscle preparation to optimal Ca2+ concentration, a high and almost constant tension level was sustained. The force recovery was high after a quick release during this period indicating the presence of an "active" state rather than a "catch" state. Actually, a state equivalent to the catch state in the living ABRM could not be induced, if the Ca2+ concentration was above 0.1 microM. Variations in the ionic strength in the range of 0.07--0.28 M had no influence on active state and only slightly affected the maximum tension ...
The ribbed mussel Geukensia demissa inhabits intertidal Spartina grass marshes characterized by sulfide-rich sediments. Sulfide poisons aerobic respiration, and G. demissa may cope in this seemingly inhospitable environment by oxidizing sulfide in gill mitochondria. Well-coupled mitochondria isolated from G. demissa gills were used to investigate sulfide oxidation and ATP synthesis. State 3 respiration, maximally stimulated by 5 micromol l(−)(1) sulfide with a P/O ratio of 0.89 and a respiratory control ratio (RCR) of 1.40, remained refractory to sulfide at higher concentrations except in the presence of salicylhydroxamic acid (SHAM), an inhibitor of alternative oxidases. Sulfide-stimulated ATP production was 3-5 times greater than that stimulated by malate and succinate, respectively, giving an ATP/sulfide ratio of 0.63. The inhibition of sulfide-stimulated respiration and ATP production by the complex III inhibitors myxothiazol and antimycin A, respectively, suggests that electrons enter the ...
Growth rate is one of the most important traits from the point of view of individual fitness and commercial production in mollusks, but its molecular and physiological basis is poorly known. We have studied differential gene expression related to differences in growth rate in adult individuals of the commercial marine clam Ruditapes decussatus. Gene expression in the gills and the digestive gland was analyzed in 5 fast-growing and five slow-growing animals by means of an oligonucleotide microarray containing 14,003 probes. A total of 356 differentially expressed genes (DEG) were found. We tested the hypothesis that differential expression might be concentrated at the growth control gene core (GCGC), i.e., the set of genes that underlie the molecular mechanisms of genetic control of tissue and organ growth and body size, as demonstrated in model organisms. The GCGC include the genes coding for enzymes of the insulin/insulin-like growth factor signaling pathway (IIS), enzymes of four additional signaling
Define straight razor. straight razor synonyms, straight razor pronunciation, straight razor translation, English dictionary definition of straight razor. straight razor n. A razor consisting of a blade hinged to a handle into which it slips when not in use. n another name for cut-throat2 n. a razor having a...
Looking for Bivalve molluscs? Find out information about Bivalve molluscs. One of the five classes in the phylum Mollusca, sometimes known as Pelecypoda. All bivalves are aquatic, living at all depths of the sea and in brackish and... Explanation of Bivalve molluscs
0080] FIGS. 12 and 13 show another embodiment according to the present disclosure. FIG. 12 shows an isometric view of a razor head 42 with three razor blades 24. The razor head 42 has three sensors 26 positioned within it. The sensors 26 are coupled to the electrical components within the razor handle 28 via the insulated data lines 70 and the insulated power lines 72. The insulated data lines 70 and insulated power lines 72 connect to the connection port 66, which interfaces with the electrical components within the razor handle 28. The insulated data lines 70 and the insulated power lines 72 are affixed to the inside of the razor head 74 using known methods. The embodiment of FIG. 12 also illustrates that a number of different sensors can be positioned inside a single razor head at different locations and of different types. For example, one sensor can be positioned on the top surface 72 of the second blade while another sensor is positioned on a bottom surface of the same blade. Similarly, in ...
Straight razors were the most common form of shaving before the 20th century and remained common in many countries until the 1950s.[8] Barbers were specially trained to give customers a thorough and quick shave, and a collection of straight razors ready for use was a common sight in most barbershops. Barbers still have them, but they use them less often.. Straight razors eventually fell out of fashion. Their first challenger was manufactured by King C. Gillette: a double-edged safety razor with replaceable blades.[citation needed] Gillettes idea was the use of the "loss leader" concept, in which the razors were sold at a loss, but the replacement blades earned a high margin and provided continuous sales. They were immensely successful because of advertising campaigns and slogans denigrating the straight razors effectiveness and questioning its safety.[citation needed]. These new safety razors did not require any serious tutelage to use.[9] The blades were extremely hard to sharpen, and were ...
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Outdoor Clothing | Waterproof Jackets, Trousers & Casual Apparel | Buckie-vanman.co.uk Mercury DST Softshell Jacket - Womens Softshell Jackets - Hibiscus - DNF00A639416 - Dynafit [B374330] - ,Theres nothing better than the soft swoosh of skins against snow as you glide across the muted winter landscape on your skis. The Dynafit Womens Mercury DST Softshell Jacket offers breathability and movement to enhance your touring experience. The bread and butter of this jacket is the lightweight and breathable
Epithelium (surface layer of tissue cells) of vesicomyid clam gill covered with cilia (thin, finger-like projections). The gills of the clam are arranged in filaments and connected with tissue junctions. Bacterial symbionts are present in bacteriocytes (specific cells) on the filaments. Scale bar=50 microns.. ...
Cancers of the reproductive system are among the leading causes of mortality in women in the United States. While both genetic and environmental factors have been implicated in their etiology, the extent of the contribution of environmental factors to human diseases remains controversial. To better address the role of environmental exposures in cancer etiology, there has been an increasing focus on the development of nontraditional, environmentally relevant models. Our research involves the development of one such model. Gonadal tumors have been described in the softshell clam (Mya arenaria) in Maine and the hardshell clam (Mercenaria spp.) from Florida. Prevalence of these tumors is as high as 40% in some populations in eastern Maine and 60% in some areas along the Indian River in Florida. The average tumor prevalence in Maine and Florida is approximately 20 and 11%, respectively. An association has been suggested between the use of herbicides and the incidence of gonadal tumors in the softshell clam
ABSTRACT. It is described the sperm ultraestructure differentiation during spermiogenesis of Tagelus plebeius (Lightfoot, 1786). The spermatozoon is an uniflagellated cell of the primitive type. The head region contains a rounded or conical nucleus surrounded by acrosome. The middle piece contains four mitochondria which are arranged around the axoneme. The flagellum contains the usual microtubular axoneme.. Key words: Mollusca, Bivalvia, Tagelus plebeius, ultrastructure, spermatozoa. ...
Read "The size and age structure of Tridacna crocea Lamarck, 1819 (Bivalvia: Tridacnidae) in the coastal area of islands of the Cön Dao Archipelago in the South China Sea, Russian Journal of Marine Biology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
ABSTRACT: The blackening of tissues or mucus of benthic animals from sulphidic environments is a remarkable phenomenon whose ecological interpretation is disputed. In the Baltic clam Macoma balthica the mantle edge turned black after sulphide exposure owing to numerous precipitates in the extracellular matrix underneath the epidermal cells. In the apical parts of these cells, similar precipitates were found, albeit in lower abundance. Elemental analyses showed that copper (214.7 µg g-1 ww [wet weight]) and sulphur (1328.6 µg g-1 ww) were the main components, with iron (311.2 µg g-1 ww) and zinc (112.7 µg g-1 ww) in lower concentration. Apparently, these precipitates become phagocytosed by amoebocytes and concentrated in haemocytic granules. This is interpreted as a pathway of removal from the mantle edge. On the basis of calculated diffusion rates (DHS- = 1.9 x 10-6 cm2 s-1), there is a sulphide influx of 61 nmol h-1 into the body of M. balthica. Even under conservative assumptions, this ...
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Yu, J., Wei, W., Masic, A., Waite, J. H. Israelachvili, J. N. (2013). Adhesion of mussel foot protein-3 to TiO2 surfaces: the effect of pH. Biomacromolecules DOI: 10.1021/bm301908y Wei, W., Yu, J., Broomell, C.C., Israelachvili, J.N., Waite, J.H. (2013). "Hydrophobic enhancement of Dopa mediated adhesion in a mussel foot protein." J. Am. Chem. Soc, 135, 377-383. Miserez, A., Li, Y., Cagnon, J., Weaver, J. C., and Waite, J. H. (2012) Four stranded coiled-coil elastic protein in the byssus of the giant clam Tridacna maxima. Biomacromolecules 13, 332-341. Waite, J. H., and Broomell, C.C. (2012). Changing environments and structure-property relationships in marine biomaterials. J. Experimental Biology 215, 873-883. Hwang, D. S., Harrington, M. J., Lu, Q. Masic, A., Zeng, H., and Waite, J. H. (2012). Mussel foot protein-1 mcfp-1 interaction with titania surfaces. J. Mater. Chem. 22, 15530-15533. Danner, E. W., Kan, Y., Hammer, M. U, Israelachvili, J. N., and Waite, J. H. (2012). Adhesion of mussel ...
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iMeshbean® is a registered trademark and we are the only authorized seller of iMeshbean branded products. Compatibility list RAZOR E500 S Electric Scooter RAZOR MX350 Dirt Rocket Electric RAZOR E300 Electric Scooter RAZOR Mini Chopper RAZOR Rebellion Electric Chopper RAZOR Dirt Quad Electric ATV RAZOR E200 Electric Scooter RAZOR PR200 Pocket Rocket RAZOR Ground Force Electric Go-Kart RAZOR Pocket Mod Electric Scooter RAZOR E100 Electric Scooter RAZOR E125 Electric Scooter Boreem Jia 601-S (250 watt version) Boreem Jia 602-D (250 watt version) City Express E-Scooter Freedom 644 Freedom 943 Freedom 961 Panterra Rad2Go E5 Leopard Shark (some models) Rad2Go E10 Tiger Shark (some models) Star II E-Scooter Sunl Super Ride Turbo 350 EG Urban Express Vapor X-12 Vapor X-24 X-Treme X-50-300 X-Treme X-250 etc.. ...
Do you need to know how to get rid of razor burn fast in the pubic area? If so, then you may be experiencing the pain and resentment of having a razor burn in the most private area of your body. No one wants an ugly razor burn in their pubic area. Fortunately, there are some remedies that could help you get rid of the razor burn fast! Follow these steps to begin treating your razor burn fast and get it taken care of and off of your pubic area as soon as possible. ...
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How To Get Rid Of Ingrown Hairs And Razor Bumps At Home. ingrown hair treatment, and razor bump treatment, best home remedies.. Ingrown hairs, commonly known as razor bumps, are hairs that have curled around and grown back into the skin instead of rising up from it. Razor bumps can cause redness, swelling, irritation and the development of pimples. In this video, I am going to share with you some simple home remedies can speed up the healing process and diminish the inflammation, redness, and how to get rid of ingrown hairs and razor bumps at home.. Try this at home and share your experience with me ...
status source Huber M. & Eschner A. (2011) Tridacna (Chametrachea) costata Roa-Quiaoit, Kochzius, Jantzen, Al-Zibdah & Richter from the Red Sea, a junior synonym of Tridacna squamosina Sturany, 1899 (Bivalvia, Tridacnidae). Annalen des Naturhistorisches Museum Wien, ser. B, 112: 153-162. [Published March 2011], available online at http://www.landesmuseum.at/pdf_frei_remote/ANNA_112B_0153-0162.pdf [details] ...
The term freshwater bivalve is very inclusive and not very informative. There are representatives of at least 19 families that have at least one representative living in freshwater. This suggests at l
Previously, we reported that recA was probably lost in the early stage of RGE in Calyptogena clam symbionts [8]. The present study showed that some of the extant clam symbionts still have intact recA (Figure 2). We hypothesized that in the early phase of RGE of the clam symbionts before the loss of recA, large-sized deletions occurred due to RecA-dependent recombination [8]. This type of deletion requires repeated sequences larger than 200 bp, which have been depleted from the genomes of Rma and Vok [8, 19]. It is still not clear whether the genomes of the Calyptogena clam symbionts containing recA have large-sized (, 200 bp) repeated sequences. The presence of intact or of nearly intact recA and of mutY in clade II symbionts except for Rma suggests that the genomes of clade II symbionts are larger than those of clade I symbionts and that their RGE is in an earlier stage than in clade I symbionts. To resolve these questions, we must await their genome sequence analyses.. The coding region of ...
I was using the Venus Divine razor, until recently. But Venus has a brand new razor, which just hit stores this month. It has five blades and a "Protective Ribbon of Moisture." Its the new Venus Embrace and its amazing!. At first I was thinking, "Hey, its a Venus razor. Of course its going to be good." So I wasnt expecting to be blown away because I already know they make good razors. BUT WOW! I mean, it really works great. Really, really great. It totally blows all other razors away.. I still have to shave with just water and slather my legs with hydrocortisone cream afterwards, but the Venus Embrace is definitely the best razor that has ever touched my legs. You wouldnt think that razors could really improve that much… Theyre just razors after all. But really, Ive tried the Schick Intuition Razor, the Schick Quattro For Women Razor, and a bunch of different disposables like Schick Slim Twin Disposable Razors and Bic. I ended up with a big, red rash, itchiness for 3 days, and chunks ...
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Perturbation of the reproductive cycle as well as vitellin-like protein synthesis have already been reported in Mya arenaria sampled in contaminated areas of the St. Lawrence maritime estuary (Québec, Canada). To assess the potential role of endocrine disruptors in modulating the reproductive cycle in clams, the role of sex steroids has to be clarified. We determined the levels of estradiol-17beta and testosterone during the reproductive cycle in female and male M. arenaria. Both steroids were measured by ELISA in the gonads and no differences in steroid profiles appeared between sexes. Estrogen levels varied between 150 and 400 pg g(-1) wet weight over gametogenesis and were near 10 times higher than testosterone levels. Results showed transient increases of both steroids at the onset of vitellogenesis in females and during the spawning stage in both sexes. These findings indicate that these hormones could have a role as endogenous modulators of gametogenesis. Further studies are, however, needed to
Until recently, read lengths on the Solexa/Illumina system were too short to reliably assemble transcriptomes without a reference sequence, especially for non-model organisms. However, with read lengths up to 100 nucleotides available in the current version, an assembly without reference genome should be possible. For this study we created an EST data set for the common pond snail Radix balthica by Illumina sequencing of a normalized transcriptome. Performance of three different short read assemblers was compared with respect to: the number of contigs, their length, depth of coverage, their quality in various BLAST searches and the alignment to mitochondrial genes. A single sequencing run of a normalized RNA pool resulted in 16,923,850 paired end reads with median read length of 61 bases. The assemblies generated by VELVET, OASES, and SeqMan NGEN differed in the total number of contigs, contig length, the number and quality of gene hits obtained by BLAST searches against various databases, and contig
The universal response to cellular stress involves expression of chaperones to protect and refold proteins undergoing denaturation, or to send irretrievably damaged proteins into the ubiquitin-proteasome pathway for degradation. In addition, it has become clear that protection from oxidative stress is a component of the minimal stress proteome (Kültz, 2005), and oxidative stress proteins are often increased in abundance after heat stress, including in bivalves (Tomanek and Zuzow, 2010; Fields et al., 2012a). Stress proteins form a substantial portion of the proteomic response to acute heat exposure in G. demissa, but interestingly, changes in abundance do not appear immediately (i.e. at 0 h), instead becoming apparent at the 3 h time point.. Among the stress proteins increased in abundance at 3 h are GRP78, HSP24.1 and PPIase (Fig. 4A). GRP78 is an HSP70 analog found in the endoplasmic reticulum, where it has a central role in the unfolded protein response (Lai et al., 2010) and may help limit ...
The generation of EST information is an essential step in the genomic characterisation of species. In the context of the European Network Marine Genomics, a common goal was to significantly increase the amount of ESTs in commercial marine mollusk species and more specifically in the less studied but ecologically and commercially important groups, such as mussel and clam genera. Normalized cDNA libraries were constructed for four different relevant bivalves species (Crassostrea gigas, Mytilus edulis, Ruditapes decussatus and Bathymodiolus azoricus), using numerous tissues and physiological conditions. In this paper, we present the analysis of the 13,013 expressed sequence tags (ESTs) generated. Each EST library was independently assembled and 1300-3000 unique sequences were identified in each species. For the different species, functional categories could be assigned to only about 16 to 27% of ESTs using the GO annotation tool. All sequences have been incorporated into a publicly available ...
In the past Ive been a bit ambivalent about those strips of product that appear on my razor. Have you ever noticed that they dont really do much? Except maybe make your razor harder to navigate in tighter areas like your underarm?. So, Gillette is releasing a new version of the product sandwiched razor. What makes this different is that theyve teamed up with Olay to make the moisturizer actually work.. Why does this matter?. Venus did a little research, and they discovered that 60% of women claim skin concerns when it comes to shaving, including dryness, irritation, nicks and cuts. Even worse, 82% of women are "somewhat to extremely bothered by dry skin". Thats a lot of women! So, every little bit of moisture will help.. Inside those bars youll find some of Olays typical ingredients, Petrolatum (an occlusive to help seal in moisture) and Glycerin (a humectant that helps to pull moisture to the skin). Satin Care, Gillettes shave gel, is releasing a new product with an Olay tie in as well, ...
Found in protected waters along intertidal zone in sandy-silty substrate (Ref. 95344).. Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833). ...
Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833). ...
Hair bumps, or razor bumps as theyre sometimes called, manifest themselves as itchy, or even painful, bulges, and theyre more likely to affect you if your hair is curly or coarse. In fact, up to 8 in 10 African American males deal with razor bumps at some point in their lives.. It may be a common problem, but that doesnt mean its easy to solve. If youve got facial hair, those hair bumps likely pop up in places where you are constantly running the razor making it near impossible for the condition to clear up on its own. Fortunately, there are some things you can do to get rid of hair bumps sooner rather than later. If the hair bumps or razor bumps lead to chronic pain or infection, then you may need further consultation from a dermatologist.. Lets take a look at some remedies for hair bumps that you may not have tried:. ...
Read the latest Meridian stories, Collection of smuggled giant clams given new home on ITV News, videos, stories and all the latest Meridian news
Maximizing lifetime egg production in a Wadden Sea population of the tellinid bivalve Macoma balthica: a trade-off between immediate and future reproductive ...
Discover Lifes page about the biology, natural history, ecology, identification and distribution of Bivalvia - Bivalves, Clams, Oysters, Mussels, Scallops, Cockles -- Discover Life
The 2117 Of Sweden Billerud Womens Hybrid Softshell is the perfect all-purpose, lightweight jacket for any activity. Made with Shieldtex 5K/5K, this jacket is water-resistant, windproof and breathable with high moisture permeability for ultimate comfort. The stretchy side gussets are incredible soft on the inside and allow for extra comfort and mobility. Side pockets and a chest pocket give you plenty of places to stash your personal items. Bright zipper pulls and grey accent trim on the sleeve cuffs are a nice touch of color. An adjustable drawstring gives you flexibility to cinch the hem for a tighter fit when you need some extra warmth. This ladies softshell may be performance driven but it has a very flattering feminine silhouette so you look good too. 2117 of Sweden design and produce high quality sportswear with a clean Scandinavian design and generally run small. If you are between sizes, consider buying a size larger ...
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... - Informative & researched article on Indian Softshell Turtle, Indian Reptile from Indianetzone, the largest free encyclopedia on India.
Alexander, A., Bulgakov, O., Kyung-ll, P., Kwang-Sik, C. and Hee-Kyoung, L. (2004) Purification and Characterization of a Lectin Isolated from the Manila Clam Ruditapes philippinarium in Korea. Immunity, 16, 487-499.
The shipworm Lyrodus pedicellatus is a wood-boring bivalve with an unusual vermiform body. Although its larvae are brooded, they retain the general appearance of a typical bivalve veliger-type larva. Here, we describe myogenesis of L. pedicellatus revealed by filamentous actin labelling and discuss the data in a comparative framework in order to test for homologous structures that might be part of the bivalve (larval) muscular ground pattern. Five major muscle systems were identified: a velum retractor, foot retractor, larval retractor, a distinct mantle musculature and an adductor system. For a short period of larval life, an additional ventral larval retractor is present. Early in development, a velum muscle ring and an oral velum musculature emerge. In late stages the lateral and dorsal mantle musculature, paired finger-shaped muscles, an accessory adductor and a pedal plexus are formed. Similar to other bivalve larvae, L. pedicellatus exhibits three velum retractor muscles, but in contrast to other
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TY - JOUR. T1 - Rho-kinase is required for myosin-II-mediated vesicle transport during M-phase in extracts of clam oocytes.. AU - Wöllert, Torsten. AU - DePina, Ana S.. AU - DeSelm, Carl J.. AU - Langford, George M. PY - 2003/10. Y1 - 2003/10. UR - http://www.scopus.com/inward/record.url?scp=0642336968&partnerID=8YFLogxK. UR - http://www.scopus.com/inward/citedby.url?scp=0642336968&partnerID=8YFLogxK. M3 - Article. C2 - 14583526. AN - SCOPUS:0642336968. VL - 205. SP - 195. EP - 197. JO - Biological Bulletin. JF - Biological Bulletin. SN - 0006-3185. IS - 2. ER - ...
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Just three full-length albums can be found in their discography but an array of all kinds of split recordings and compilations on the other hand with the latest one being a common piece of work with the legendary Agathocles!!! OXIDIZED RAZOR plays a brutally low tuned gore grind inspired by the classics of the genre such as Carcass, Impetigo, Repulsion, Meat Shits or Gore Beyond Necropsy and that is what we will get into our heads at OEF 2018 in full!!! The razors are sufficiently oxidized to start cutting!!! ...
As a dietary supplement, take 1 Razor Cuts capsule twice or three times daily. Do not exceed 6 Razor Cuts capsules in a 24 hour period. For best results, cycle "on" this product for 6-8 weeks. Do not exceed 8 weeks of continuous use without at least 4 weeks as an "off" cycle. For added results, consider stacking Razor Cuts with additional anabolic agents. There is a synergistic effect from this, while allowing the user to achieve gains off smaller dosages as well. Ask your supplement adviser for suggestions. During an "off" cycle, use an effective post cycle testosterone boosting product. Also consider using a quality cleansing product. ...
The best way to get rid of razor bumps for good is to change the way you shave. You need to use the correct shaving cream and after shave oil to prevent irritation as well as the correct razor to get the cleanest shave without cutting into your skin. For an example of the kind of high-quality shaving products you should be using to care for your skin, check out the Bevel Shaving Kit, a single-blade, wet-shaving kit system specifically designed to help reduce razor bumps ...
A razor blade holder including a longitudinal slot for receiving a razor blade, first and second offset finger gripping elements and a clamping element provided within the slot for clamping a razor blade in the slot of the holder. The holder grips the blade with the point ready to use. Further, the blade is tightly clamped in the blade receiving slot so that the likelihood of movement of the blade relative to the holder minimized. In addition, the offset relation of the finger gripping elements enables the holder to be balanced to fit ergonomically between two or three fingers and thus fits relatively naturally within the hand and grip of the user.
Dont be fooled by tricky advertising. More blades dont mean a cleaner, smoother shave. In fact, they can do the opposite. Blades in a multi-blade cartridge are positioned to gradually extend toward your beard and achieve their closeness by stretching the skin with a layer of rubberized "micro-fins." Facial hair is then lifted and sliced off at a point slightly below the surface of the skin. Cut hair can grow back painfully into the upper layers of the epidermis. Once the hair follicles come in this way, there is a high chance of causing ingrown hairs, razor bumps and razor burn, which are not only uncomfortable, but also embarrassing.. A safety razor, on other hand, avoids these problems, since it has single blades that provide a close shave without damaging your skin-they simply glide over it.. ...
From my father who is using cryogentically-frozen razors (I know it sounds crazy!):. Ive been using my frozen razors for nearly four weeks now and feel that I can safely render a verdict.. Get em.. I have one razor in the shower and one for my sink. Ive put 12 or so shaves on each one and cant feel any difference from the first time I used them. Still sharp like crazy. I usually get around 5-6 shaves from a Shick Quattro blade.. So the idea is a money saver. Heres the link:. http://www.greatrazors.com/. ...
Have always preferred shaving in the shower with a disposable or cartridge razor. Considering trying a double edge razor. How much did you spend on your double edge razor? What kind of blades do you like best?
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Regular pattern formation is an intriguing natural phenomenon found in a broad range of ecosystems, such as mussel beds, arid ecosystems, wetland ecosystems, savannahs, coral reefs, ribbon forests, intertidal mudflats and marsh tussocks (see Rietkerk & van de Koppel (2008) for a review). Recent studies point at an important use of spatial patterns as indicators for eminent catastrophic shifts in response to changing conditions, such as climate change (Rietkerk et al. 2004; Kéfi et al. 2007; Solé 2007). However, a systematic mathematical analysis of pattern characteristics is lacking for most ecosystems with regular patterns. We provide a mathematical analysis of the formation of spatial, stripe-like regular patterns in mussel beds occurring on soft sediment (Gascoigne et al. 2005; van de Koppel et al. 2005), and assess their potential use as indicators for the resilience of mussel beds. Using the model proposed by van de Koppel et al. (2005), we present the first systematic analysis of the ...
mRNA-Seq and microarray development for the Grooved carpet shell clam, Ruditapes decussatus: a functional approach to unravel host -parasite interaction +, The database of genomic variants: a curated collection of structural variation in the human genome +, Meta-analysis of 74,046 individuals identifies 11 new susceptibility loci for Alzheimers disease +, … ...
Byssus meaning in french - What is the french translation meaning for byssus? View byssus meaning with french definition at wordnik dictionary.
Looking for heart clam? Find out information about heart clam. common name applied to the heart-shaped, jumping or leaping marine bivalve bivalve, aquatic mollusk of the class Pelecypoda or Bivalvia, with a laterally... Explanation of heart clam
Oysters vs Mussels. Oysters and mussels are both shellfish. However, one can come across many differences in their anatomy, habitat, breeding and behaviour. But it is very hard to notice the difference between the two and people hardly find any difference between them.. One of the main differences that can be said is that oysters come a little fleshy than mussels.. One of the major differences that can be noticed is in the fertilization. In marine Mussels, fertilization happens outside the body. The larval stage drifts for three to six months before settling on a hard surface as a young mussel. In fresh water mussels, the males release sperm directly into the water and it reaches female through incurrent siphon. Once fertilization takes place, the eggs develop into a larval stage called glochidium, which attaches to the fishs fins or gills. Before this, glochidia grow in the gills of the female mussel. Oysters reproduce in a different way. In oysters, external fertilization takes place, which ...
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Sir Charles Maurice Yonge who died in 1986 was the foremost authority on the Bivalvia and one of the greatest marine biologists of this century. The volume is a...
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Saying this post is a life saver is an understatement of the year. I was actually planning on booking a full body wax tomorrow when i read your post. I have ultra sensitive skin so i tend to get rashes all over my body just hours after waxing and being that i wax my face as well, i tend to look like i just got the plague. I always get razor bumps so i thought there was no need for it on my face to stop me looking like a man but ive gotta try this recipe of yours. Maybe after this ill never have to be subjected to torture. Is it a good idea to use a razor to shave off bum hair and also on my thighs? If you know anything about this or more tips i would be more than grateful to hear them.. ReplyDelete ...
Saying this post is a life saver is an understatement of the year. I was actually planning on booking a full body wax tomorrow when i read your post. I have ultra sensitive skin so i tend to get rashes all over my body just hours after waxing and being that i wax my face as well, i tend to look like i just got the plague. I always get razor bumps so i thought there was no need for it on my face to stop me looking like a man but ive gotta try this recipe of yours. Maybe after this ill never have to be subjected to torture. Is it a good idea to use a razor to shave off bum hair and also on my thighs? If you know anything about this or more tips i would be more than grateful to hear them.. ReplyDelete ...
The differences between electric razors and blades include the power supply, time of shaving and the quality and feel of the shaving experience. Depending on the type of electric or blade razor, each...
Razor bumps are an all too common occurrence caused by improper shaving technique. Holding the razor at an uncomfortable angle or simply using drying soap...
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Attention all shavers! Remember when you gave yourself a really quick shave and it developed into a red rash, aka - razor burn? You ignored it, thinking it would just go away. Then, your fire engine red skin broke out in pimply-looking growths. You had razor bumps. Read … [Read more...] ...
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This is a two-part exercise that introduces the principles and methods behind taxonomy and phylogenetics. In part I, students, by describing the morphology of various species of modern and fossil bivalve mollusks, ...
basis of record Huber, M. (2010). Compendium of bivalves. A full-color guide to 3,300 of the worlds marine bivalves. A status on Bivalvia after 250 years of research. Hackenheim: ConchBooks. 901 pp., 1 CD-ROM. (look up in IMIS) [details] ...
2-Oxocarboxylic acids, also called 2-oxo acids and alpha-keto acids, are the most elementary set of metabolites that includes pyruvate (2-oxopropanoate), 2-oxobutanoate, oxaloacetate (2-oxosuccinate) and 2-oxoglutarate. This diagram illustrates the architecture of chain extension and modification reaction modules for 2-oxocarboxylic acids. The chain extension module RM001 is a tricarboxylic pathway where acetyl-CoA derived carbon is used to extend the chain length by one. The chain modification modules RM002 (including RM032) and RM033, together with a reductive amination step (RC00006 or RC00036), generate basic and branched-chain amino acids, respectively. The modification module RM030 is used in the biosynthesis of glucosinolates, a class of plant secondary metabolites, for conversion to oxime followed by addition of thio-glucose moiety. Furthermore, the chain extension from 2-oxoadipate to 2-oxosuberate is followed by coenzyme B biosynthesis in methonogenic archaea ...
On April 22 (day 49) five geoduck clams from Groups A and C were selected for photographic documentation of wart appearance. All of the clams inoculated with the calf serum (Group A) were alive and healthy when the observations were terminated on May 6 (day 63). Twenty-five of the thirty geoduck clams inoculated with the wart material (Group C) survived until May 6. After May 6, only the five clams from both Groups A and C used for photographic documentation were retained for monitoring photographically until July 8, 125 days post inoculation (Figs. 3 to 8). After 49 days, four of the five Group A geoduck clams (Fig. 3) had a small scar on mantle site and one geoduck clam had a small wart on the siphon. In Group C all the inoculation sites except the mantle site on one clam had a wart and/or a blister (Fig. 4). At 84 days post inoculation, two clams in Group A are completely healed and the other three had a slight mark on the mantle (Fig. 5). In Group C one clam had died in late April and ...
Although no cases of human poisoning from domoic acid are known to have occurred in California, symptoms of domoic acid poisoning can occur within 30 minutes to 24 hours after eating toxic seafood. In mild cases, symptoms may include vomiting, diarrhea, abdominal cramps, headache and dizziness. These symptoms disappear within several days. In severe cases, the victim may experience trouble breathing, confusion, disorientation, cardiovascular instability, seizures, excessive bronchial secretions, permanent loss of short term memory, coma or death ...
Other articles where Mantle retractor muscle is discussed: bivalve: The mantle and musculature: …between the shell valves by mantle retractor muscles; their point of attachment to the shell being called the pallial line.
Bivalve: Bivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves. The valves are connected to one another at a hinge. Primitive bivalves
Cover image: Juvenile giant clams (of the genus Tridacna) display a variety of brilliant colours reflected from specialized cells in their epithelia that project over the edges of their shells. (see doi:10.1098/rsif.2014.0678). Photograph by D. Morse. ...
Bivalves eat plankton and other microalgae though some bivalves are also carnivorous. Bivalves typically are not carnivorous because they do not have the internal organs that are needed in order to...
A razor head assembly is described that contains a mild cleansing composition (14, 54) including acyl isethionate surf aσtant (s) positioned adjacent to a blade (18, 58, 118,158) for shaving and treating the skin. The isethionate surfactants provide the user with nearly simultaneous moisturization, cleansing and shaving. An after shave phase (70) is provided in addition to the cleansing phase in a preferred embodiment .
for years this just keeps getting worst, I cannot bend or straighten out the pain keeps me up all night, I get no help from the VA is this ligament or nerve maybe tendons. the pain feels like razor cuts along the fingers and like glass cut up and rubbed into my fingers always swelling making it hard to sleep please I really need help and I still work. First it was only in my left hand now it is in both hands, 57years old Reply Follow This Thread Stop Following This Thread Flag this Discussion ...
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Dry shaving, oil shaving, shaving under the shower with nothing but water, and shaving with todays plastic razors form a distinct category of regressive, moderate-angle, skin-planing, and usually, not very close shaving. This distinction is the result of high drag and low contact behind the stroke, compared to the mechanical advantage low friction provides, allowing the top cap of a better-designed DE razor to be pressed into the skin. When oil is employed, it does not function as a lubricant, so much as an impediment to deep cuts, much like the safety bar of a DE razor, or the plane surface of a modern razor. But it adheres subtly, directly to the edge of the blade ...
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The best way to deal with razor burn is to prevent it from occurring. (Sorry, we couldnt help ourselves!) And whats the best way to do that? Paying attention to how you shave! Here are some helpful pointers:. + Try using a new or sharp razor blade. If youve been using the same razor and blade for six months, not only are you going to get a lame shave, youre also more likely to cause irritation - especially if any rust or mold has grown on your razor while it sits in your moist shower or tub.. + Make sure youre wetting your skin before you shave and applying a shaving aid. If you arent a fan of shaving in the shower (or just need to quick shave your pits or legs before a night out!) make sure you wet the area first and then apply a shaving aid. Yes, using a shaving cream may make you think of your grandpa (or bring back memories of those silly scented formulas you used in middle school) BUT there are thousands of moisturizing, hydrating, fabulous shaving creams on the market you should use ...
Repress without the bonus 45! This album, recorded by the Nigerian rock group Semi-Colon in 1976, was an experimental response to Fela Kuti�s then-dominant afrobeat sound, substituting Fela�s sophisticated horn charts and jazz leanings with wiry electric guitar work and a passion for vintage rock �n� roll. Long fabled and coveted amongst collectors and DJs alike, the album has remained one of the rarest of the Nigerian 1970s �afro� cycle", and now Comb & Razor Sound is reissuing this lost gem of Afro-rock for a new audience ...
Straight razors are scary to me. I would recommend against it. Electric ones seem much safer, the plastic parts can be dipped in sterilizing solution....
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A handle for a shaving razor includes a handle casing and an interconnect assembly disposed at an end of the handle casing. The interconnect assembly is configured to releasably connect a cartridge to the handle, and includes a release button comprising a button substrate and a flexible canopy extending outwardly from the button substrate toward the handle casing.
As "ecological engineers", freshwater mussels are key components in the freshwater ecosystem. However, surveying mussels can be challenging since mussel populations may be difficult to locate. Conventional methods for identifying mussel species are also problematic and require expertise since mussels are often morphologically cryptic. The same problems apply to New Zealand indigenous freshwater mussels. New Zealand had long been considered to have two indigenous species, Echyridella menziesii and Echyridella aucklandica, until a recent revision based on molecular evidence recognised a new species, Echyridella onekaka, which was previously mis-identified as Echyridella menziesii. Results from molecular studies have placed all three freshwater mussel species under a single genus, Echyridella, specific to New Zealand. For conservation and ecosystem management, a fast and reliable method for surveying and identifying New Zealand mussels is required. This research aims to develop molecular tools that ...
Blue mussels, Mytilus spp., occur on rocky and sedimentary shores worldwide where they often form dense aggregates. These assemblages change the local environment and create unique habitats. By extensive filter-feeding, the mussels regulate availability and flow of resources such as nutrients and organic material, and are thereby important in benthic-pelagic coupling. This thesis investigates the role of Mytilus spp. for the diversity of associated species, ecosystem functioning and services that the mussels provides. My results show that Mytilus habitats support highly diverse associated communities, especially in subtidal sediment habitats in the Skagerrak and Baltic Sea. The macrofauna species richness was shown to correlate with mussel patch size and biomass. Structural properties of Mytilus spp. provide substrate for attachment, shelter and increase habitat complexity in the system, which was found to enhance species diversity. Biological activities of the mussels, e.g. filter-feeding, ...
The acute toxicity of carbosulfan and chlorpyrifos in formulated pesticides to glochidia (larvae) of the freshwater mussel (Hyriopsis bialata Simpson, 1900) was evaluated under static conditions in moderately hard dechlorinated tap water. Measured pesticide concentrations were 26 to 34% lower than nominal concentrations; therefore, all results are expressed in terms of measured active ingredient. Carbosulfan was relatively non-toxic to the mussel larvae with median effective concentrations (EC50) of carbosulfan at 24 and 48 h greater than 0.10 mg/L. The EC50s of chlorpyrifos at 24 and 48 h were 0.083 and 0.078 mg/L, respectively (measured concentrations). The 48-h EC50 of a combined exposure to a mixture of chlorpyrifos and carbosulfan at a constant ratio of 2.9:1 was 0.0142:0.049 mg CP:CB/L. In a separate experiment, the effect of water hardness on carbosulfan, chlorpyrifos, or a combined exposure was assessed using glochidia exposed to either soft, moderately hard, or hard reconstituted water. ...
The illness of three people in 2011 after their ingestion of mussels collected from Sequim Bay State Park, Washington State, USA, demonstrated the need to monitor diarrhetic shellfish toxins (DSTs) in Washington State for the protection of human health. Following these cases of diarrhetic shellfish poisoning, monitoring for DSTs in Washington State became formalized in 2012, guided by routine monitoring of Dinophysis species by the SoundToxins program in Puget Sound and the Olympic Region Harmful Algal Bloom (ORHAB) partnership on the outer Washington State coast. Here we show that the DSTs at concentrations above the guidance level of 16 μg okadaic acid (OA) + dinophysistoxins (DTXs)/100 g shellfish tissue were widespread in sentinel mussels throughout Puget Sound in summer 2012 and included harvest closures of California mussel, varnish clam, manila clam and Pacific oyster. Concentrations of toxins in Pacific oyster and manila clam were often at least half those measured in blue mussels at the same
Heterogeneity among isolates of Vibrio vulnificus recovered from eels (Anguilla anguilla) in Denmark. Isolation of Vibrio alginolyticus and Vibrio splendidus from aquacultured carpet shell clam (Ruditapes decussatus) larvae associated with mass mortalities
Denotes student co-author D.S. Page and J. Widdows. Temporal and Spatial Variation in Levels of Alkyltins in Mussel Tissues: A Toxicological Interpretation of Field Data. Marine Environmental Research 32, 113-129, 1991. W.X. Wang, J. Widdows, and D. S. Page. Effects of organic toxicants on the anoxic energy metabolism of the mussel Mytilus edulis. Marine Environmental Research34, 327-331, 1992.. J. Widdows and D. S. Page. Effects of tributyltin and dibutyltin on the physiological energetics of the mussel, Mytilus edulis. Marine Environmental Research. 35, 233-249, 1993.. Page, D. S., Gilfillan, E. S., Boehm, P. D. & Harner, E. J. (1995). Shoreline Ecology Program for Prince William Sound, Alaska, Following the EXXON VALDEZ Oil Spill. Part I: Methodology. In Exxon Valdez Oil Spill: Fate and Effects in Alaskan Waters , ASTM Special Technical Publication # 1219 (P. G. Wells, J. N. Butler and J. S. Hughes, ed.), American Society for Testing and Materials, Philadelphia, PA. pp. 263-295. Page, D. S., ...
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Sperm competition occurs when the spermatozoa of one male coincide with those of another to fertilise the same eggs. In some taxa males perform multiple ejaculations, which may function in sperm competition or in maintaining a baseline density of spermatozoa in the female reproductive tract to ensure fertilisation, a process that has been termed topping up. We investigated multiple ejaculations in the European bitterling (Rhodeus amarus), a freshwater fish that oviposits in freshwater mussels. We quantified spermatozoa in the mussel mantle cavity following ejaculation, and measured sperm motility parameters of males adopting different mating tactics. Following ejaculation spermatozoa density in the mussel increased linearly, peaked after 30 s, and then declined exponentially. Spermatozoa motility parameters did not differ between male mating tactics. We parameterised a model of sperm competition for R. amarus, which accurately predicted male fertilisation probability. We discuss these results in the
To better understand the effect of Paralytic Shellfish Toxins (PSTs) accumulation in the digestive gland of the Pacific oyster, Crassostrea gigas, we experimentally exposed individual oysters for 48 h to a PSTs producer, the dinoflagellate Alexandrium catenella. In comparison to the effect of the non-toxic Alexandrium tamarense, on the eight apoptotic related genes tested, Bax and BI.1 were significantly upregulated in oysters exposed 48 h to A. catenella. Among the five detoxification related genes tested, the expression of cytochrome P450 (CYP1A) was shown to be correlated with toxin concentration in the digestive gland of oysters exposed to the toxic dinoflagellate. Beside this, we observed a significant increase in ROS production, a decrease in caspase-3/7 activity and normal percentage of apoptotic cells in this tissue. Taken together, these results suggest a feedback mechanism, which may occur in the digestive gland where BI.1 could play a key role in preventing the induction of apoptosis by PSTs.
a b (in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF. ...
... and Fordilla appear to form a clade, but whether this is in the stem or crown group of Bivalvia is unconstrained by ... "A Synoptical Classification of the Bivalvia (Mollusca)" (PDF). Paleontological Contributions. 4: 1-47.. ...
P. canaliculus is endemic to New Zealand. When grown for aquaculture there, it is marketed under the trademark name Greenshell.[6] This industry produces over 140,000 tonnes annually and in 2009 was valued in excess of NZ$250 million.[7] The aquaculture of the New Zealand greenshell mussel relies heavily on the production of mussel seed, or spat, by wild mussel populations.[8] Around 270 tonnes of wild spat which is attached to beach-cast seaweed are collected from Ninety Mile Beach in northern New Zealand each year to supply the aquaculture industry.[9] Nowhere else in the country are such large quantities of mussel-covered seaweed washed ashore.[9] The density of spat varies from 200 to 2 million per kilogram of seaweed.[10] This single beach provides around 80% of the seed mussels required for this aquaculture industry.[8] The remaining 20% is caught using fibrous ropes which are suspended in the sea near mussel farms.[11] Even with this industry's heavy dependency on wild spat, the ...
Bivalvia). 異齒亞綱(Heterodonta). 原始異齒下綱(法语:Archiheterodonta)(Archiheterodonta) ...
Bivalvia. Linnaeus, 1758. A large number of venerid bivalves with their siphons visible ...
Molecular phylogeny of the family Pectinidae (Mollusca: Bivalvia). Other websites[change , change source]. Wikispecies has ... The evolution of Chlamys (Mollusca: Bivalvia: Pectinidae) in the tropical western Atlantic and eastern Pacific. American ... "Pectinoidea (Mollusca, Bivalvia, Propeamussiidae, Cyclochlamydidae n. fam., Entoliidae and Pectinidae) from the Vanuatu ... Bivalvia)". Malacologia 25 (1): 203-219. http://pterioidea.myspecies.info/content/ctenolium-scallop-shells-functional- ...
A Status on Bivalvia after 250 Years of Research. Hackenheim: ConchBooks. pp. 901 pp. + CD. ISBN 978-3-939767-28-2, at p. 57 ...
... bivalvia; and cephalopods (Orthoceras bullatum); and fish (Cephalaspis, Cyathaspis, Auchenaspis). Numerous s and ostracods, and ...
Bivalvia)"; Molluscan Research 31(1): 53-56; ISSN 1323-5818. ...
Rice, M.A. (2007). Bivalvia. pp. 141-144 In: Vol. 3, McGraw-Hill Encyclopedia of Science and Technology, 10th Edition. McGraw- ...
Bivalvia. Pp. 105-141, in: Ponder W.F. & Lindberg D.L. (eds), Molluscan Phylogeny. Berkeley: University of California Press, xi ... a new proposed classification system for the Bivalvia was published in by Bieler, Carter & Coan, revising the classification of ... the Bivalvia, including the subclass Heterodonta. Subclass: Heterodonta Superfamily: Carditoidea Family: Carditidae Family: ...
Moore, R. C.; Teichert, C. (1969). Bivalvia. Treatise on Invertebrate Paleontology, Part N, Mollusca 6. Lawrence, Kansas: ... 2011). "A Synoptical Classification of the Bivalvia (Mollusca)" (PDF). Paleontological Contributions. 4: 1-47. ...
Part N - Mollusca, Bivalvia Vol. 6. T.R. Waller, The evolution of ligament systems in the Bivalvia. In: Morton B., editor. ... ISBN 978-3-939767-28-2, at p. 59 E.R. Trueman, General features of Bivalvia. In: Moore R.C., editor. Bivalvia. Ligament. In: ... A Status on Bivalvia after 250 Years of Research. Hackenheim: ConchBooks. pp. 901 pp. + CD. ... 580 p. at p. 304 Morphology and postlarval development of the ligament of Thracia phaseolina (Bivalvia: Thraciidae), with a ...
Bivalvia → 이매패류 (D). *Octopus → 문어목 (E). *Squid → 살오징어목 (C). *Slug → 민달팽이 (D) *Snail → 달팽이 (C) ...
Habe, Tadashige (1977). "Bivalvia and Scaphopoda". Systematics of mollusca in Japan: Bivalvia and Scaphopoda. Hokuryukan.. ... Waller, Thomas R. (2006). Shumway, Sandra E. (ed.). New phylogenies of the Pectinidae (Mollusca: Bivalvia): Reconciling ... Origin of the Molluscan Class Bivalvia and a Phylogeny of Major Groups. Pp. 1-45. In: P.A. Johnston & J.W. Haggart (eds), ... In molecular phylogenies of the Bivalvia, both the Spondylidae and the Propeamussiidae have been resolved as sister to the ...
"Bivalvia Detail". Taiwan Malacofauna Database. Biodiversity Research Center, Academia Sinica. Retrieved 6 August 2012. Sinica. ...
Bivalvia: Mytilidae)". Comptes Rendus Biologies. 335 (1): 51-61. doi:10.1016/j.crvi.2011.10.002. PMID 22226163. Mallet, André L ...
A Status on Bivalvia after 250 Years of Research. Hackenheim: ConchBooks. pp. 901 pp. + CD. ISBN 978-3-939767-28-2. Williams, J ... McMahon, R. F., Bogan, A.E. (2001). Mollusca: Bivalvia. Ecology and classification of North American freshwater invertebrates. ... Bivalvia: Unionoida)?" Molecular Biology and Evolution 28(5): 1645-1659. Tanke, D.H. and Brett-Surman, M.K. 2001. Evidence of ... Bivalvia, Unionidae)." Journal of the North American Benthological Society 133: 217-222. Nichols, S. J., Silverman, H. Dietx, T ...
Bivalvia, Dreissenidae)". Mem Mus Civ St Nat Verona (in Italian). 20: 45-49. Elisabetta Lori; Simone Cianfanelli (2006). "New ... records of Dreissena polymorpha (Pallas, 1771) (Mollusca: Bivalvia: Dreissenidae) from Central Italy" (PDF). Aquatic Invasions ...
Bivalvia: Unionidae) in the torrente Versa (Italy). - Mollusca, 25(1): 41-49, Dresden.] [1] [Reischütz Peter L., Reischütz ... Bivalvia: Unionidae). - Nachrichtenblatt der Ersten Malakologischen Gesellschaft Vorarlbergs 7: 9-10.] Fauna europaea IUCN [ ...
Gastropoda und Bivalvia. In: Die Fauna Südwest-Australiens. Ergebnisse der Hamburger südwest-asutralischen Forschungsreise 1905 ...
Gastropoda und Bivalvia. pp. 561-596 in Michaelsen, W. & Hartmayer, R. (eds). Die Fauna Südwest-Australiens. Jena : Gustav ...
Bivalvia I. 145pp. Soc. Experimental and Descriptive Malacology. (editor, with William H. Heard)] (2007). Tahitian tree snail ...
ISBN 978-1-118-22953-8. Habe, Tadashige (1977). "Bivalvia and Scaphopoda". Systematics of mollusca in Japan: Bivalvia and ... Origin of the Molluscan Class Bivalvia and a Phylogeny of Major Groups. Pp. 1-45. In: P.A. Johnston & J.W. Haggart (eds), ... p. 5. ISBN 978-0-444-62719-3. Waller, Thomas R. (1986). "A new genus and species of scallop (Bivalvia: Pectinidae) from off ... In molecular phylogenies of the Bivalvia, both the Spondylidae and the Propeamussiidae have been resolved as sister to the ...
Legac M. (1987). Školjkaši (Bivalvia) otoka Raba. In: Mohorović A. (ed) Rapski zbornik, Zbornik radova sa znanstvenog skupa ... Šiletić, T. (2006). "Marine fauna of Mljet National Park (Adriatic Sea, Croatia). 5. Mollusca: Bivalvia." Natura Croatica: ...
Bivalvia and Scaphopoda. 372 pp., Zukan no Hokuryukan, Tokio. Waller, T. R. & Marincovich, L. jr. (1992): New species of ... Camptochlamys and Chlamys (Mollusca: Bivalvia: Pectinidae), from near the Cretaceous/Tertiary Boundary at Ocean Point, North ...
Wu, X., Xu, X., Yu, Z. et al. Comparative mitogenomic analyses of three scallops (Bivalvia: Pectinidae) reveal high level ... Comparative mitogenomic analyses of three scallops (Bivalvia: Pectinidae) reveal high level variation of genomic organization ... An examination of the evolution and phylogenetic utility of mitochondrial genome organization in Bivalvia (Mollusca). Mol Biol ...
Allozyme identification of mussels (Bivalvia: Mytilus) on the Pacific coast of South America. J. Shellfish Res., 24: 1101-1115 ... Genetic diversity of southern hemisphere blue mussels (Bivalvia: Mytilidae) and the identification of non-indigenous taxa. Biol ... Bivalvia: Mollusca) populations: review and interpretation. Arch. Hydrobiol. Suppl., 99: 37-71. [ Links ]. ...
... Mussels, clams, oysters, cockles, etc.. Click on an image to view larger version & data in a new window ... The smallsubunit rRNA gene sequences of venerids and the phylogeny of Bivalvia. Journal of Molecular Evolution 48:463-468. ... Evolutionary Biology of the Bivalvia, The Geological Society Special Publication No. 177. Geological Society of London, London. ... Bivalvia. Mussels, clams, oysters, cockles, etc.. Version 01 January 1995 (temporary). http://tolweb.org/Bivalvia/19383/1995.01 ...
Bivalvia Report on ITIS. Vernacular names[edit]. Bân-lâm-gú: Siang-khak-kong. беларуская: Двухстворкавыя. català: Bivalve. ... Osnovye cherty evoliutsii i sistema klassa Bivalvia. in Starobogatov, Y.I. (ed.). Morfologiia, Sistematika i Filogeniia ... Classification of the Bivalvia. American Museum Novitates 2206: 1-25. handle. Reference page. ... Classis: Bivalvia. Subclasses (4): Heterodonta - Palaeoheterodonta - Protobranchia - Pteriomorphia. Ordines incertae sedis (2 ...
Make research projects and school reports about Bivalvia easy with credible articles from our FREE, online encyclopedia and ... Bivalvia (bivalves; Pelecypoda, Lamelli-branchia; phylum Mollusca) A class of molluscs in which the body is laterally ... Bivalvia (Pelecypoda, Lamellibranchia; phylum Mollusca) A class of molluscs in which the body is laterally compressed, there is ... Bivalvia A Dictionary of Earth Sciences © A Dictionary of Earth Sciences 1999, originally published by Oxford University Press ...
Taxonomy of the Bivalvia (Bouchet, Rocroi, Bieler, Carter & Coan, 2010) CLASS BIVALVIA LINNAEUS, 1758 SUBCLASS PROTOBRANCHIA ... This is a list of the marine Mollusca Bivalvia recorded from Ireland. It is part of the List of marine molluscs of Ireland. The ...
Mollusca: Bivalvia. In J. H. Thorpe & A. P. Covich. Ecology and Classification of North American Freshwater Invertebrates, 2nd ... In Harper, E. M., J. D. Taylor & J. A. Crame (eds), The Evolutionary Biology of the Bivalvia. Geological Society, London, ... A nomenclatural review of Dreissena (Bivalvia: Dreissenidae), with identification of the quagga mussel as Dreissena bugensis. ... Phylogenetic analysis based on the morphology of viviparous freshwater clams of the family Sphaeriidae (Mollusca, Bivalvia, ...
Classification of Class Bivalvia (under the redaction of Rüdiger Bieler, Joseph G. Carter and Eugene V. Coan) (all taxa marked ... Gofas, Serge (2012). "Bivalvia". World Register of Marine Species. Retrieved 2012-06-30. Carter, J.G.; et al. (2011). "A ... In May 2010, a new taxonomy of the Bivalvia was published in the journal Malacologia. This was a revised system for classifying ... Synoptical Classification of the Bivalvia (Mollusca)" (PDF). Paleontological Contributions. 4: 1‑47. ...
Genetic Variation in a Gradient of Environmental Variability: Marine Bivalvia (Mollusca) Message Subject. (Your Name) has ...
Molecular Cytogenetics in Trough Shells (Mactridae, Bivalvia): Divergent GC-Rich Heterochromatin Content. Daniel García-Souto. ... García-Souto, D.; Pérez-García, C.; Kendall, J.; Pasantes, J.J. Molecular Cytogenetics in Trough Shells (Mactridae, Bivalvia): ... "Molecular Cytogenetics in Trough Shells (Mactridae, Bivalvia): Divergent GC-Rich Heterochromatin Content." Genes 7, no. 8: 47. ... Molecular Cytogenetics in Trough Shells (Mactridae, Bivalvia): Divergent GC-Rich Heterochromatin Content. Genes. 2016; 7(8):47 ...
Bivalvia: Dreissenidae). Title. Characterization of Intracytoplasmic Prokaryote Infections in Dreissena sp. (Bivalvia: ...
Irregularity of the linear growth of the Margaritifera margaritifera (Bivalvia: Margaritiferidae) population of the Syskyanjoki ... Bivalvia: Margaritiferidae), Biol. Bull. (Moscow), 2015, vol. 42, no. 3, pp. 232-238.CrossRefGoogle Scholar ...
Bivalvia: Unionidae) in Lake Golbasi, Turkey.(Report) by Pakistan Journal of Zoology; Zoology and wildlife conservation ... APA style: The Reproductive Cycle of Potomida littoralis (Cuvier, 1798) (Bivalvia: Unionidae) in Lake Golbasi, Turkey.. (n.d.) ... MLA style: "The Reproductive Cycle of Potomida littoralis (Cuvier, 1798) (Bivalvia: Unionidae) in Lake Golbasi, Turkey.." The ... The minute shell structure of the glochidium of some species of the genera Unio, Potomida and Anodonta (Bivalvia, Unionacea). ...
A new species of Lucinoma (Bivalvia: Lucinoidea) from the Oxygen Minimum Zone of the Oman Margin, Arabian Sea.. Article (PDF ... New lucinid bivalves from shallow and deeper water of the Indian and West Pacific Oceans (Mollusca, Bivalvia, Lucinidae) ... Deep-water Thyasiridae (Mollusca: Bivalvia) from the Oman Margin, Arabian Sea, new species and examples of endemism and ... A new species of Lucinoma from 240-500 m on the continental shelf break off Newfoundland (Bivalvia: Lucinidae) ...
Estrutura fina do espermatozóide de Tagelus plebeius (Lightfoot) (Mollusca, Bivalvia) do litoral norte do Brasil ... Ultrastructural study of the spermatogenesis of Anodonta cygnea L. (Bivalvia, Unionidae). Invert. Reprod. Dev. 18:169-176. [ ... Ultrastructural characteristics of spermatogenesis in Pecten maximus (Mollusca, Bivalvia). Invert. Reprod. Dev. 15:109-117. [ ... Ultrastructural and cytochemical study of spermatogenesis in Scorbicularia plana (Mollusca, Bivalvia). Gamete Res. 24:393-401 ...
... bivalvia) from individual to population scale.(Report) by Journal of Shellfish Research; Zoology and wildlife conservation ... Reproductive cycle and gonad development of Venus verrucosa L. (Bivalvia: Veneridae) in Kastela Bay. Adriatic Sea. Mar. Biol. ... The behaviour of giant clams (Bivalvia: Cardiidae: Tridacninae). Mar. Biol. 161:2699-2717. Urban, H. J. 2000. Culture potential ... The reproductive cycle of white clam Spisula solida (L.) (Mollusca: Bivalvia): implications for aquaculture and wild stock ...
Prieto,A.1983.Ecología de Tivela mactroides (Born, 1778)(Mollusca:Bivalvia)en la playa La Güiria. Bol. Inst. Oceanogr. Univ. ... Fitt,W.K.&R.K.Trench.1981.Spawning,development and acquisition of zooxanthellae by Tridacna squamosa (Mollusca,Bivalvia).Biol. ... Prieto,A.1977.Contribución a la ecología de Tivela mactroides (Born,1778) (Mollusca:Bivalvia). Aspectos reproductivos y ... Prieto,A.1980.Contribución a la ecología de Tivela mactroides (Born,1778) (Mollusca:Bivalvia). Aspectos reproductivos. Bol. ...
Ezhova, E.E., New alien species in the Baltic Sea-the clam Rangia cuneata (Bivalvia: Mactridae), Mor. Ekol. Zh., 2012, vol. 11 ... Rudinskaya, L.V. and Gusev, A.A., Invasion of the North American wedge clam Rangia cuneata (G.B. Sowerby I, 1831) (Bivalvia: ... Warzocha, J. and Drgas, A., The alien gulf wedge clam (Rangia cuneata G.B. Sowerby I, 1831) (Mollusca: Bivalvia: Mactridae) in ... Genetic Diversity of the First Baltic Population of Rangia cuneata (Bivalvia: Mactridae). ...
Saether K P, Jingeng S, Little C T S, Campbell K A (2016). New records and a new species of bivalve (Mollusca: Bivalvia) from ... Bivalvia) from Miocene hydrocarbon seep deposits, North Island, New Zealand. Zootaxa 4154 (1): 1-26, DOI: http://doi.org/ ...
Bivalvia) in the Paraíba do Norte river estuary. Bol. Inst. Oceanogr. [online]. 1995, vol.43, n.1, pp.49-57. ISSN 0373-5524. ...
DE KOCK KN and WOLMARANS CT (2007a) Distribution and habitats of Corbicula fluminalis africana (Mollusca: Bivalvia) in South ... Keywords: Pisidium langleyanum, pill clam, freshwater Bivalvia, geographical distribution, habitat analysis, South Africa ... HOLOPAINEN IJ (1979) Population dynamics and production of Pisidium species (Bivalvia, Spheariidae) in the oligotrophic and ... KORNIUSHIN AV (2000) Review of the family Spheariidae (Mollusca: Bivalvia) of Australia, with the description of four new ...
Leibson NL, Movchan OT (1975) Cambial zones in gills of Bivalvia. Mar Biol 31:175-180CrossRefGoogle Scholar ... In: Harper EM, Taylor JD, Crame JA (eds) The evolutionary biology of the Bivalvia. vol 177.Geological Society, London (special ... Giribet G, Wheeler WC (2002) On bivalve phylogeny: a high-level analysis of the Bivalvia (Mollusca) based on combined ... Roegner GC, Mann R (1995) Early recruitment and growth of the American oyster Crassostrea virginica (Bivalvia: Ostreidae) with ...
Either view treatise on invertebrate paleontology part n mollusca 6 bivalvia 1969 we am concerned with a EG of PART that is the ... Please devolve us if you see this is a view treatise on invertebrate paleontology part n mollusca 6 bivalvia experience. You ... I Are social view treatise on invertebrate paleontology part n mollusca 6 bivalvia 1969 I intersect to nature from Hunter to ... Contact Whether you are orientated the view treatise on invertebrate paleontology part n mollusca 6 bivalvia or luckily, if you ...
Reproduction and growth of chamelea gallina and venus verrucosa bivalvia veneridae in the lower adriatic sea ... The effect of fishing on growth of the clam Chamelea gallina Bivalvia Veneridae from the Turkish Black Sea coast. Journal of ... Age determination and growth of Venus verrucosa L Bivalvia Veneridae in the southern Adriatic and the Aegean Sea. Fisheries ... Preliminary studies of factors increasing the mortality of Chamelea gallina Bivalvia, Veneridae in anoxia and normoxia Studi ...
Bivalvia), Russian Journal of Marine Biology" on DeepDyve, the largest online rental service for scholarly research with ... Appearance of Muscle Proteins in Ontogenesis of the Mussel Mytilus trossulus (Bivalvia). Dyachuk, V.; Plotnikov, S.; Odintsova ... Appearance of Muscle Proteins in Ontogenesis of the Mussel Mytilus trossulus (Bivalvia). Appearance of Muscle Proteins in ... Ontogenesis of the Mussel Mytilus trossulus (Bivalvia) Dyachuk, V.; Plotnikov, S.; Odintsova, N. 2005-11-14 00:00:00 The ...
  • Within are described the qualities of Mollusca in nature, three of its sub-divisions - Bivalvia (oysters, clams…), Gastropoda (limpets, snails…) and Cephalopoda (octopuses, cuttle fish…) and expressions in the human being. (homeopathic.com)
  • Bivalvia: Pharidae: Pharellinae) closes the freshwater razor clams range disjunction in Southeast Asia. (nih.gov)
  • The Reproductive Cycle of Potomida littoralis (Cuvier, 1798) (Bivalvia: Unionidae) in Lake Golbasi, Turkey. (thefreelibrary.com)
  • 1990. Ultrastructural study of the spermatogenesis of Anodonta cygnea L. (Bivalvia, Unionidae). (scielo.br)
  • This is a list of the marine Mollusca Bivalvia recorded from Ireland. (wikipedia.org)
  • Tropical deep-water lucinids (Mollusca: Bivalvia) from the Indo-Pacific: essentially unknown, but diverse and occasionally gigantic. (researchgate.net)
  • 1989. Ultrastructural characteristics of spermatogenesis in Pecten maximus (Mollusca, Bivalvia). (scielo.br)
  • 1995. Estudo ultraestrutural da espermatogenese de Donax striatus Linnaeus (Mollusca, Bivalvia) do litoral norte do Brasil. (scielo.br)
  • 1989. Ultrastructural and cytochemical study of spermatogenesis in Scorbicularia plana (Mollusca, Bivalvia). (scielo.br)
  • Beninger, P.G., Le Pennec, M. and Salaun, M. (1988) New observations of the gills of Placopecten magellanicus (Mollusca: Bivalvia), and implications for nutrition. (koreascience.or.kr)
  • The Thyasiridae (Mollusca: Bivalvia) of the British Continental Shelf and North Sea oil fields: an identification manual. (marinespecies.org)
  • Our morphological data support phylogenomic data indicating a closer Bivalvia-Gastropoda sister group relationship than the Bivalvia-Scaphopoda (Diasoma) group relationship. (biomedcentral.com)
  • On becoming cemented: evolutionary relationships among the genera in the freshwater bivalve family Etheriidae (Bivalvia: Unionoida). (springer.com)
  • The first occurrences of Bivalvia are found in Lower Cambrian deposits, but it is not until the Lower Ordovician that bivalve diversification, both taxonomic and ecological, explodes in the fossil record. (berkeley.edu)
  • Beninger PG, Dufour SC (1996) Mucocyte distribution and relationship to particle transport on the pseudolamellibranch gill of Crassostrea virginica (Bivalvia: Ostreidae). (springer.com)
  • Testing alternative hypotheses of Neotrigonia (Bivalvia: Trigonioida) Phylogenetic relationships using Cytochrome c Oxidase Subunit 1 DNA sequences. (springer.com)
  • Identifying robust proxies of gonad maturation for the protandrous Hermaphrodite Tridacna maxima (Roding, 1798, bivalvia) from individual to population scale. (thefreelibrary.com)
  • Comparative morphometrics of the acrosomes of the sperms of "externally" and "internally" fertilizing sperms of the shipworms (Teredinidae,Bivalvia,Mollusca). (scielo.br)
  • In May 2010, a new taxonomy of the Bivalvia was published in the journal Malacologia. (wikipedia.org)
  • This symposium was convened to commemorate the work of C. M. Yonge, who throughout his long career was a master theorist who sought to integrate many originally disjunct observations on morphology and morphological functions in the Bivalvia. (jstor.org)