Trematoda
Schistosoma mansoni
Snails
Echinostomatidae
Schistosomiasis mansoni
Schistosoma
Biomphalaria
Schistosoma japonicum
Schistosomiasis
Infection with flukes (trematodes) of the genus SCHISTOSOMA. Three species produce the most frequent clinical diseases: SCHISTOSOMA HAEMATOBIUM (endemic in Africa and the Middle East), SCHISTOSOMA MANSONI (in Egypt, northern and southern Africa, some West Indies islands, northern 2/3 of South America), and SCHISTOSOMA JAPONICUM (in Japan, China, the Philippines, Celebes, Thailand, Laos). S. mansoni is often seen in Puerto Ricans living in the United States.
Schistosomiasis japonica
Bulinus
Antigens, Helminth
Echinostoma
Larva
Cardiidae
Host-Parasite Interactions
Schistosoma haematobium
Heterophyidae
Oxamniquine
An anthelmintic with schistosomicidal activity against Schistosoma mansoni, but not against other Schistosoma spp. Oxamniquine causes worms to shift from the mesenteric veins to the liver where the male worms are retained; the female worms return to the mesentery, but can no longer release eggs. (From Martindale, The Extra Pharmacopoeia, 31st ed, p121)
Lymnaea
Niclosamide
Gastropoda
Life Cycle Stages
Disease Vectors
Granuloma, Foreign-Body
Paramphistomatidae
Dithioerythritol
Liver Diseases, Parasitic
Vaccines
DEET
Animal Structures
Fasciola hepatica
Host Specificity
Antigens, CD15
Anthelmintics
Schistosomiasis haematobia
Water
Granuloma
Vaccines, Attenuated
Swimming
Vaccination
Feces
Immunization
Deliberate stimulation of the host's immune response. ACTIVE IMMUNIZATION involves administration of ANTIGENS or IMMUNOLOGIC ADJUVANTS. PASSIVE IMMUNIZATION involves administration of IMMUNE SERA or LYMPHOCYTES or their extracts (e.g., transfer factor, immune RNA) or transplantation of immunocompetent cell producing tissue (thymus or bone marrow).
Cathepsin B
A lysosomal cysteine proteinase with a specificity similar to that of PAPAIN. The enzyme is present in a variety of tissues and is important in many physiological and pathological processes. In pathology, cathepsin B has been found to be involved in DEMYELINATION; EMPHYSEMA; RHEUMATOID ARTHRITIS, and NEOPLASM INVASIVENESS.
Species Specificity
The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.
Artemisinins
Skin
Administration, Topical
The application of drug preparations to the surfaces of the body, especially the skin (ADMINISTRATION, CUTANEOUS) or mucous membranes. This method of treatment is used to avoid systemic side effects when high doses are required at a localized area or as an alternative systemic administration route, to avoid hepatic processing for example.
Seasons
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.
Polymerase Chain Reaction
In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships.
Microscopy, Electron, Scanning
Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.
Disease Models, Animal
Microscopy, Electron
Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen.
Rabbits
Mice, Inbred Strains
Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations, or by parent x offspring matings carried out with certain restrictions. All animals within an inbred strain trace back to a common ancestor in the twentieth generation.
Immunoglobulin G
Liver
Heat-Shock Proteins
Amino Acid Sequence
Cercarial dermatitis transmitted by exotic marine snail. (1/21)
(+info)Immune events associated with high level protection against Schistosoma japonicum infection in pigs immunized with UV-attenuated cercariae. (2/21)
(+info)A cysteine proteinase in the penetration glands of the cercariae of Cotylurus cornutus (Trematoda, Strigeidae). (3/21)
(+info)Synchronous attack is advantageous: mixed genotype infections lead to higher infection success in trematode parasites. (4/21)
(+info)Multiple vaccinations with UV- attenuated cercariae in pig enhance protective immunity against Schistosoma japonicum infection as compared to single vaccination. (5/21)
(+info)Haplometra cylindracea (Zeder, 1800) (Trematoda:Plagiorchiidae): variation in the dates of cercarial shedding for overwintering Galba truncatula. (6/21)
Natural infections of Galba truncatula with Haplometra cylindracea were followed from 2001 to 2009 to determine if their characteristics were similar when snails came from water collections frequented by Bufo bufo or by frogs and newts for their egg-laying. Snail samples were collected from both types of sites to count shed cercariae for three days and also free cercariae when snails were dissected. In sites only frequented by B. bufo, cercarial shedding occurred earlier than in those colonized by frogs and newts (March instead of April-May). In contrast, the number of cercariae shed during three successive days was significantly higher in May. This variation in the dates of cercarial shedding might be due, either to a synchronism between cercaria-releasing snails and the presence of the definitive host (tadpoles) in water collections, or to an earlier infection of overwintering snails in autumn by H. cylindracea miracidia in the case of toad-frequented sites. (+info)Molecular expression and enzymatic characterization of thioredoxin from the carcinogenic human liver fluke Opisthorchis viverrini. (7/21)
(+info)Secretory glands in cercaria of the neuropathogenic schistosome Trichobilharzia regenti - ultrastructural characterization, 3-D modelling, volume and pH estimations. (8/21)
(+info)
STD Testing Lakeshore - STD Clinics in Lakeshore, Mississippi
Metabolic Impact of Shivering During Therapeutic Temperature Modulation | Stroke
Role of growth hormone in regulating T‐Dependent immune events in aged, nude, and transgenic rodents<...
Sequences of Regressions Distinguish Nonmechanical from Mechanical Associations between Metabolic Factors, Body Composition,...
privacy & security at Lakeshore Learning
privacy & security at Lakeshore Learning
About Us - Lakeshore Community Services, Inc.
Nitric oxide and cytokine production by glial cells exposed in vitro to neuropathogenic schistosome Trichobilharzia regenti |...
A Device for the Automated Loading and Detection of Brachytherapy Elements Using Nonmechanical Methods for use in Prostate...
Folia Parasitologica: Peptidases of Trichobilharzia regenti (Schistosomatidae) and its molluscan host Radix peregra s. lat. ...
Folia Parasitologica: Terminal phase of bird schistosomiasis caused by Trichobilharzia regenti (Schistosomatidae) in ducks ...
B-1 cells and concomitant immunity in Ehrlich tumour progression
Fluoride Action Network | Lakeshore removes fluoride from water supply
Difference between revisions of Indiana Dunes National Lakeshore - Wikitravel
CCM Tacks 6052 Shoulder Pads [Junior] | Pure Hockey Equipment
InnerCools Temperature Modulation Therapy Featured in Mens Health Magazine - Redorbit
MULTIPLE VACCINATION INCLUDING SEROGROUP C MENINGOCOCCUS - Patent application
Respirator Filters & Cartridges - 3M Filters, Cartridges | Emedco
Lakeshore Technical College zoology major
Successful Kidney Transplantation Performed in Covid 19 Survivors - VPS Lakeshore
Cold Laser Therapy, Lakeshore Clinic, Burlington Chiropractor
Spasmodic Dysphonia Specialist - St. Clair Shores, MI & Macomb Township, MI: Lakeshore Ear, Nose & Throat Center: Ear, Nose &...
Neonatology Treatments in Kochi | VPS Lakeshore Hospital
Lakeshore Technical College chemistry department ranking
Patent US20120030750 - System and Method for Network Level Protection Against Malicious Software - Google Patents
Balanites aegyptiaca Desert Date. Desert date, Soapberry tree PFAF Plant Database
Minister says water cycling best option to beat salinity in Lake Albert - ABC Rural - ABC News
Pattern and risk factors for bicycle and motorcycle related injuries in Kisumu city: An implication for prevention
Regeneration of Informal settlements | Beros Abdul +
Chronic Conditions
Shallow ground-water flow and drainage characteristics of the Brown ditch basin near the East Unit, Indiana Dunes National...
Effect of Thermal Modulation on the Onset of Convection in Walters B Viscoelastic Fluid-Saturated Porous Medium<...
The When, Why, and How of Your Dogs Vaccinations - Wag Pet Boutique
New Study on Baby Vaccinations May Ease Parents Concerns About Autism
Clinical- and Immunological Activity, Safety and Tolerability of Different Doses / Formulations of AFFITOPE AD02 in Early...
Talking Sense: Molecular Expressions: Science, Optics and You - Secret Worlds: The Universe Within - Interactive Java Tutorial
Molecular Expressions: Featured Microscopist - Loes Modderman - Hydroquinone
Molecular Expressions: Featured Microscopist - Spike (M.I.) Walker - Idoxuridine Crystal
Monoclonal T-Cell Proliferation and Plaque Instability in Acute Coronary Syndromes | Circulation
Impulse conduction | Article about impulse conduction by The Free Dictionary
Stories - Sleeping Bear Dunes National Lakeshore (U.S. National Park Service)
Battle of the Chicago W Hotels: W Chicago Lakeshore Vs. W Chicago City Center
Peginterferon vs. interferon in the treatment of different HCV genotype infections in HIV patients | SpringerLink
Beliefs and Life Satisfaction among persons with Spinal Cord injuries - Disability Network/Lakeshore
Interval International | Resort Directory Marriotts Lakeshore Reserve
Operating Hours & Seasons - Indiana Dunes National Park (U.S. National Park Service)
Brain temperature modulations during global ischemia fail to influence extracellular lactate levels in rats<...
chiroprator Spring Lake - Lakeshore Family Chiropractic Health and Wellness - Chiroprator in Spring Lake, MI
VPS Lakeshore Hospital, Kochi, Kerala - Kerala, India | Costs, Consultation, Treatments, Doctors.
VPS Lakeshore - Gastrointestinal Surgery & Liver Transplantation - Dr. A. Venugopal - Dr. A. Venugopal
Sclerotherapy Near Me: Spider Vein Treatment in Mequon: Lakeshore Veins
Masindi Port - Wikipedia
Freedom of Information
- Algonquin & Lakeshore
PLOS Neglected Tropical Diseases: A Novel Procedure for Precise Quantification of Schistosoma japonicum Eggs in Bovine Feces
Anthrax Vaccine -- posts by Meryl Nass, M.D.: December 2007
Your patient is a 50 year old Chinese man who is referred to the Gastroenterology Clinic with complaints of worsening abdominal...
Riverfront and Lakeshore Properties
Whats New at Mayfair Lakeshore in April 2018 - Mayfair Clubs | Fitness Clubs Toronto
Whats New at Mayfair Lakeshore August 2018 - Mayfair Clubs | Fitness Clubs Toronto
UAB - SHP - Lakeshore Foundation/UAB Research Collaborative - Rappl to discuss dreaded pressure ulcers
ValpoLife.com | Lakeshore PAWS Featured Pet: Chipster
Sexual dimorphism in mandible size in Gnathocerus cornutus - posnien-labs Webseite!
A mechanistic insight into MDMA-mediated hepatotoxicity
Uganda Buys Fighter Jets - WSJ
Lost to follow up from tuberculosis treatment in an urban informal settlement (Kibera), Nairobi, Kenya: what are the rates and...
Bacterial Infections Success Stories | DrFuhrman.com
Frontiers | Digestive Physiology of Octopus maya and O. mimus: Temporality of Digestion and Assimilation Processes | Physiology
Metagonimoides oregonensis
Cercariae are larval trematode worms that form from rediae. When the snail was infected in the wild there was no sign of ... "Cercaria". Merriam-Webster. Merriam-Webster. Meade & Pratt 1966. Lang Ford, Bennie R., Bruce Zelner; Gleason, Narry Neil; Ford ... Studies have shown that it is possible for the cercariae to infect multiple different frogs, including red-legged frogs (Rana ... Rediae are larvae which are produced within the sporocyst of trematodes that creates more rediae or can become cercariae. ...
Leucochloridium paradoxum
The tail of a cercaria has finfolds on the top and bottom and setae on the sides. Cercaria also have two eyespots. At the end ... The cercariae develop into adult distomes in the digestive system of the bird; these adult forms sexually reproduce and lay ... The sporocysts turn into cercaria (juveniles) that have a tail, along with a digestive tract that is lined with an excretory ... The sporocyst grows into long tubes to form swollen "broodsacs" filled with dozens to hundreds of cercariae. These broodsacs ...
Haplometra cylindracea
Cercariae contains characteristic stylet. Definitive hosts are frogs. H. cylindracea was documented in Rana temporaria, Rana ...
Paragonimus kellicotti
Within snails, the miricidium develops into a cercaria. The cercariae eventually leave the snail and infect the second ...
K. C. Pandey
Pandey, K. C. (1971). "On a Rare Cercaria, Cercaria soparkari n.sp., (Transversotrematidae) from Lucknow, India". Journal of ...
Acanthoparyphium tyosenense
Three new echinostome cercaria in Tokyo Bay, with a list of Japanese echinostome cercariae". Japanese Journal of Medical ... Ito, Jiro (1957). "Studies on the brackish water cercaria in Japan. III. ...
ATP:guanido phosphotransferase family
Smc74, a cercaria-specific enzyme from Schistosoma mansoni. Creatine kinase (EC 2.7.3.2) (CK), which catalyses the reversible ...
Schistosoma haematobium
Each cercaria has a biforked tail with which it swims to find a human host. Again the cercariae are short lived and can survive ... After a month, the sporocysts rupture and cercariae are liberated. Free cercariae penetrate the liver and move out of the snail ... Each daughter sporocyst forms new larvae called cercariae. One mother sporocyst produces half a million cercariae. ... Mohammed, A.S. (1931). "The secretory glands of the cercariae of S. Haematobium and S. Mansoni from Egypt". Annals of Tropical ...
Alaria (trematode)
The sporocysts then produce cercariae. The cercariae then leave the snail and infect the tadpole via penetration where a non- ...
Semisulcospira libertina
Urabe, M (2005). "Cercariae of a species of Philophthalmus detected in a freshwater snail, Semisulcospira libertina". ... Philopthalmidae: Cercariae of Philophthalmus sp. were found in Semisulcospira libertina in Japan. Liolopidae: Semisulcospira ... Derogenidae: Cercariae of Genarchopsis goppo were found in Semisulcospira libertina in Japan. Lecithodendriidae: Semisulcospira ... Paller, V. G.; Kimura, D.; Uga, S. (2007). "Infection dynamics of Centrocestus armatus cercariae (Digenea: Heterophyidae) to ...
Schistosoma mansoni
Stimulated by light, hundreds of cercariae penetrate out of the snail into water. The cercaria emerge from the snail during ... Cercariae are attracted to the presence of fatty acids on the skin of their definitive host, and the parasite responds to ... The cercaria has a characteristic bifurcated tail, classically called furcae (Latin for fork); hence, the name (derived from a ... Young children living in these areas are at greatest risk because of their tendency to swim and bathe in cercaria-infected ...
Paragonimus westermani
Cercaria (not shown): Cercariae are often indistinguishable between species. There is a large posterior sucker, and the ... which subsequently produce many daughter rediae which shed crawling cercariae into fresh water. The crawling cercariae ... Cercariae next invade the second intermediate host such as crabs or crayfish and encyst to develop into metacercariae within 2 ... Miracidia penetrate its soft tissues and go through several developmental stages inside the snail but mature into cercariae in ...
Opisthorchis viverrini
Each cercaria has a large head and a long tail. The cercariae escape from the snail and enter the water body again as free- ... The cercaria then locates a cyprinoid fish, encysts in the fins, skin, and musculature of the fish, and becomes a metacercaria ... Adam R, Arnold H, Hinz E, Storch V (May 1995). "Morphology and ultrastructure of the redia and pre-emergent cercaria of ... Rachprakhon, Phuphitchan; Purivirojkul, Watchariya (2021). "Very low prevalence of Opisthorchis viverrini s.l. cercariae in ...
Trematode life cycle stages
In some species, the redial stage is omitted, and sporocysts produce cercariae. In other species, the cercaria develops into an ... A cercaria encysted and resting.They are only involved when there are 3 intermediate host life cycles. Cercaria is also used as ... motile cercariae larvae. The cercariae then could either infect a vertebrate host or a second intermediate host. Adult ... A cercaria has a tapering head with large penetration glands. It may or may not have a long swimming "tail", depending on the ...
Brook floater
Trematoda rhopalocercous cercaria is a parasite of the brook floater. Current research shows population that were largely and ... doi:10.1674/0003-0031(1999)142[0328:CITDOF]2.0.CO;2. Fischthal, Jacob H. (1954). "Cercaria tiogae Fischthal, 1953, a ...
Transversotrema
Soparkar, M. B. (1924). A new cercaria from northern India Cercaria patialensis nov. spec. Indian Journal of Medical Research, ...
Paramphistomum
Each redia contains about 15-30 cercariae. Mature cercariae are possess by two eyespots and a long slender tail, by which they ...
Fasciola
Cercariae of F. hepatica in a snail and flukes infecting sheep were first observed in 1379 by Jehan De Brie. The life cycle and ... The cercariae then develop into metacercarial cysts. When these cysts are ingested along with the aquatic plants by a mammalian ... The miracidia then infect gastropod intermediate hosts and develop into cercariae, which erupt from the body of the snail host ... cercaria, metacercaria, and adult fluke. The eggs are passed in the feces of mammalian hosts and, if they enter freshwater, the ...
Fasciolidae
the cercariae are of a gymnocephalic shape. According to Olson et al. 2003 the family has five genera: Fasciola Fasciola ...
Gastrodiscoides
The cercariae released from the snail form metacercarial cysts on water plants. The complete life cycle is not yet observed in ... Infective cercariae are produced and are released on water plants or directly infect other aquatic animals, such as fish. ... It is hypothesised that the free cercaria in water bodies accidentally find and penetrate these animals as second intermediate ... In an experimental infection of the mollusc Helicorbis coenosus, miracidum develops into cercaria after 28-153 days of ...
Swimmer's itch
The cercaria penetrates the skin and dies in the skin immediately. The cercariae cannot infect humans, but they cause an ... the cercaria. Cercariae use a tail-like appendage (often forked in genera causing swimmer's itch) to swim to the surface of the ... Some laboratory evidence indicates snails shed cercariae most intensely in the morning and on sunny days, and exposure to water ... Onshore winds are thought to cause cercariae to accumulate along shorelines. Studies of infested lakes and outbreaks in Europe ...
Trematoda
Either the rediae or the sporocyst develops into the cercariae through polyembryony in the snail. The cercariae are adapted for ... These embryos move to the brood sac and mature into cercaria. Trematodes have a large variation of forms throughout their life ...
Echinostoma revolutum
Cercariae typically find a snail host through chemotaxis. The cercariae are attracted to the slime of the snail, which contains ... Each rediae then develop into a cercariae, which penetrates a second host. The second host could be another snail or a tadpole ...
Heterophyes heterophyes
The rediae produce cercariae which then exit the snail, swim toward the surface of the water, and slowly fall back down. On ... Here, the cercariae encyst in the muscle tissue. The second intermediate host include freshwater fish: Mugil cephalus, Tilapia ...
Philophthalmus lacrimosus
... and develop into redia and cercariae. When the metacercariae encyst on surfaces of food for birds the infection of a new ...
Parafossarulus striatulus
in Chinese) Chen Y., Lin J. & Fang Y. (1990). "[Ecological studies on the cercariae of Echinochasmus japonicus]". Zhongguo Ji ...
Marstonia comalensis
doi:10.1046/j.1463-6409.2003.00115.x. Cable R. M. & Isserhoff H. (1969). "A protandrous haploporid cercaria, probably the larva ...
Philophthalmus gralli
... which migrate to digestive glands to continue its development and produce megalurous cercariae. Cercariae are released from the ... The cercaria has two suckers: a ventral sucker and rounded subterminal sucker. Intestinal ceca bifurcate posterior to pharynx. ...
Paragonimus skrjabini
Rediae produce cercariae (the larval form of the parasite). The cercariae migrate from the snail to a crab, entering either ...
Bucephalus elegans
A Study of the Gasterostome Cercariae of the Huron River. Arthur E. Woodhead, Transactions of the American Microscopical ... Response to Light in the Cercariae of Bucephalus elegans. Gerrit Bevelander, Physiological and Biochemical Zoology, Volume 6, ...
Cercaria - Wikipedia
A cercaria (plural cercariae) is the larval form of the parasite Trematode. It develops within the germinal cells of the ... A cercaria has a tapering head with large penetration glands. It may or may not have a long swimming "tail", depending on the ... The motile cercaria finds and settles in a host where it will become either an adult, or a mesocercaria, or a metacercaria, ... Rotifers (Rotaria rotatoria) produce a chemical, Schistosome Paralysis Factor, suppressing cercaria swimming and reducing ...
Morphological Characterization of Emerging Cercariae among Lymnaeid Snails from Barangay Cawongan, Padre Garcia, Batangas,...
3.2.3. Longifurcate-Pharyngeate Distome Cercariae (Strigea Cercariae). The presence of fork-tailed cercariae (Figure 3: (5)-(6 ... Three distinct cercariae were identified, namely, echinostome, longifurcate-pharyngeate distome cercariae (Strigea cercariae), ... The emerging cercaria was twice as long as the typical cercaria of Schistosoma japonicum. Its head measured an average of 41 ± ... 3.2.1. Echinostome Cercariae. The echinostome type of cercariae was found in 26.4% of the 750 snails studied and was the most ...
Comparative photobehavior of marine cercariae with differing secondary host preferences. - Free Online Library
Comparative photobehavior of marine cercariae with differing secondary host preferences.(Report) by The Biological Bulletin; ... we compared speed of movement for dark-adapted cercariae with the speed of cercariae that were anesthetized. Cercariae were ... Like most marine cercariae, Euhaplorchis cercariae are short-lived, living no more than 24 h after emerging from an infected ... Cercariae of the genus Euhaplorchis (Hetero-phyidae) infect estuarine fishes (Martin, 1950). For example, cercariae of E. ...
Coloured SEM of a schistosome parasite cercaria - Stock Image Z160/0086 - Science Photo Library
Coloured scanning electron micrograph (SEM) of a cercaria of the parasitic fluke Schistosoma mansoni, cause of the disease ... bilharzia (schistosomiasis). The cercariae live in lakes and rivers, and penetrate the skin of humans in the water. They mature ... Caption: Parasite cercaria. Coloured scanning electron micrograph (SEM) of a cercaria of the parasitic fluke Schistosoma ... Keywords: animal, bilharzia, cercaria, flatworm, invertebrate, invertebrates, nature, parasite, platyhelminthes, schistosoma ...
Evaluation of lung recovery assay for schistosomula in mice immunized with X-irradiated cercariae of Schistosoma mansoni |...
An evaluation of this method for mice immunized with highly X-irradiated cercariae ofSchistosoma mansoni was made. The results ... Our conclusion is that for measuring the immunizing effect of irradiated cercariae, the lung recovery method is not suitable ... Evaluation of lung recovery assay for schistosomula in mice immunized with X-irradiated cercariae ofSchistosoma mansoni. ... Histopathological study of lesions elicited in rhesus monkeys during immunization and challenge with cercariae ofSchistosoma ...
Histological description of Cercaria etgesii Shchenkov, 2017 daughter sporocysts (Trematoda: Pleurogenidae):...
No mitoses in germinal mass were evident although apparent production of the cercariae embryos by the sporocysts take place. ... and carry out its compartmentalisation by formation of the chambers around developing and disintegrating embryos of cercariae. ... AbstractMorphology of the daughter sporocysts of Cercaria etgesii Shchenkov, 2017 (Pleurogenidae) has been described according ... The morphology of Cercaria cerastodermae I nom. nov. (Monorchiidae) (=Cercaria lepidapedon rachion (Cobbold, 1858) sensu Lebour ...
The American Journal of Tropical Medicine and Hygiene | Daily Periodicity of Schistosoma Mansoni Cercariae in Puerto Rican...
In the rivers and stream studied, the peak of cercarial abundance was found to occur between 11 a.m. and 1 p.m. Few cercariae ... On the basis of these experiments, the hazard of exposure to cercariae in Puerto Rican waters is considered to be from 20 to ... were present in the water before 9 a.m. or after 4 p.m. In a heavily infested pond, cercariae appeared at 10 a.m. and their ... Summary The density of Schistosoma mansoni cercariae in Puerto Rican waters was found to undergo a marked daily fluctuation. ...
PRIME PubMed | [Cercarial shedding of Echinostoma cinetorchis and experimental infection of the cercariae to several kinds of...
Cercarial shedding of Echinostoma cinetorchis and experimental infection of the cercariae to several kinds of snails]. Download ... About 58.3% of the above snails (7 out of 12) were dead before shedding the cercariae, and the remainder shed the cercariae for ... About 58.3% of the above snails (7 out of 12) were dead before shedding the cercariae, and the remainder shed the cercariae for ... The cercariae shed from the snails were again exposed to several species of fresh water snails in order to observe ...
A Report on the Labeling of Schistosoma Japonicum Cercariae with Radioiron | The American Journal of Tropical Medicine and...
Adult flukes from cercariae that were exposed to radioactive solutions with total activities of 2.4 µc, 0.9 µc and 0.1 µc, ... Summary An attempt to label the cercariae of Schistosoma japonicum with radioactive iron (Fe59) gave encouraging results. ... A Report on the Labeling of Schistosoma Japonicum Cercariae with Radioiron * B. de la Cruz, T. P. Pesigan, T. C. Banzon, J. ... Adult flukes from cercariae that were exposed to radioactive solutions with total activities of 2.4 µc, 0.9 µc and 0.1 µc, ...
Pulmonary leukocytic responses are linked to the acquired immunity of mice vaccinated with irradiated cercariae of Schistosoma...
Studies with cercariae attenuated by different treatments established that a link exists between the recruitment of leukocytes ... Mice exposed to cercariae attenuated with 20 krad gamma-radiation developed stronger and more persistent pulmonary leukocytic ... Animals exposed to irradiated cercariae of S. mansoni were resistant to homologous challenge infection but were not protected ... Pulmonary leukocytic responses are linked to the acquired immunity of mice vaccinated with irradiated cercariae of Schistosoma ...
Migration of the schistosomula of Schistosoma mansoni in mice vaccinated with radiation-attenuated cercariae, and normal mice:...
The penetration of mammalian skin by cercariae of Trichobilharzia sp. (Trematoda: Schistosomatidae) from South Africa
These cercariae reach the subcutaneous tissue within one hour after exposure, and some migrate to the lungs. Between 46 and 97 ... The penetration of mammalian skin by cercariae of Trichobilharzia sp. (Trematoda: Schistosomatidae) from South Africa. Login ... The ability of the cercariae of Trichobilharzia sp., the commonest avian schistosome in South Africa, to cause dermatitis in ... The penetration of mammalian skin by cercariae of Trichobilharzia sp. (Trematoda: Schistosomatidae) from South Africa. Appleton ...
Scanning electron microscopy of rediae, cercariae, metacercariae and adults of Mesorchis denticulatus (Rudolphi, 1802) ...
The partly devoured cercariae had occasionally - apparently as a defence reaction - covered their bodies with a thick layer of ... The knobs disappear when the cercariae are fully developed. Flattened spines occur peripherally in the suckers. Different types ... does not protect them from being eaten.The surface area of the tegument of the youngest extraredial cercariae is increased by ... cannibalistic behaviour of the rediae is demonstrated by rediae which have the posterior end and tail of extraredial cercariae ...
Infection by Paragonimus miyazakii Cercariae of Their Crab Hosts, Geothelphusa dehaani, by Percutaneous Penetration | Journal...
... the cercariae became entangled with the host via mucoid strands arising from the cercariae. Within 3 hr, most cercariae were ... Infection by Paragonimus miyazakii Cercariae of Their Crab Hosts, Geothelphusa dehaani, by Percutaneous Penetration J. Gyoten J ... That the cercariae were not ingested by the crabs but penetrated the crabs percutaneously (through hard as well as soft tissue ... The behavior of P. miyazakii cercariae released from snails into water and in the presence of a living host or a whole crab leg ...
The ultrastructure, based on stereoscan observations, of the oral sucker of the cercaria of Schistosoma mansoni with special...
These tegumentary folds may serve to protect the duct apertures during the free swimming period of the cercaria. During ... The ultrastructure of the oral sucker of the cercaria of Schistosoma mansoni was investigated using stereoscan and transmission ... Nervous system ofSchistosoma mansoni cercaria: Organization and fine structure. *Carolyn E. Cousin, Charles H. Dorsey ... Scanning Electron Microscopical Studies on Schistosoma mansoni cercariae Exposed to Ultraviolet Irradiation. *Saad M. Bin Dajem ...
MALDI-TOF mass spectrometry: a new tool for rapid identification of cercariae (Trematoda, Digenea) | Parasite
Cetak Halaman - Cognitive-genital principle eliminates cercariae needs?
Judul: Re:Cognitive-genital principle eliminates cercariae needs?. Ditulis oleh: ufulugu pada 12 Maret 2020, 01:55:32 ... Judul: Re:Cognitive-genital principle eliminates cercariae needs?. Ditulis oleh: ezmiloc pada 13 Maret 2020, 14:01:45 ... Judul: Re:Cognitive-genital principle eliminates cercariae needs?. Ditulis oleh: loqicaeviy pada 13 Maret 2020, 17:02:25 ... Judul: Re:Cognitive-genital principle eliminates cercariae needs?. Ditulis oleh: adeujiazviwu pada 20 Maret 2020, 09:23:01 ...
Superficial structures and musculature of cercariae.(A | Open-i
Superficial structures and musculature of cercariae.(A and B) Actin-rich spines and sensory cilia. (A) Anterior region of the ... Mentions: Cercaria are covered by a sugar-rich layer, called the glycocalyx, that sits upon the tegument, a modified syncytial ... Mentions: Cercaria are covered by a sugar-rich layer, called the glycocalyx, that sits upon the tegument, a modified syncytial ... Whole cercaria image represents a maximum projection derived from tiled stacks. Insets are magnified views of the indicated ...
Acta Parasitologica
Schistosoma mansoni cercariae experience influx of macromolecules during skin penetration | Meta
Schistosoma mansoni cercariae experience influx of macromolecules during skin penetration. Parasitology. J A ThornhillJ R Kusel ... We used cercariae stained with carmine to aid identification of regions labelled with Lucifer Yellow. Although the mechanism of ... Chemical attractants of human skin for swimming Schistosoma mansoni cercariae. Dec 25, 2007·Parasitology Research·Simone ... Schistosoma mansoni: stimulus and transformation of cercariae into schistosomules. Dec 1, 1983·Experimental Parasitology·M A ...
Spiral: A protease-based biosensor for the detection of schistosome cercariae
A protease-based biosensor for the detection of schistosome cercariae. File. Description. Size. Format. ... A protease-based biosensor for the detection of schistosome cercariae. Authors: Webb, AJ. Kelwick, R. Doenhoff, MJ. Kylilis, N ... whole file 9_3_16 revised-webb et al-a protease-based biosensor for the detection of schistosome cercariae.pdf. Accepted ...
Advances in parasitology. Volume 36 (eBook, 1995) [WorldCat.org]
CDC - DPDx - Opisthorchiasis
CDC - Opisthorchis - Biology
Table of Contents - August 25, 1933, 78 (2017) | Science
Encyclopedia of Life
Encyclopedia of Life
Table 2 - Multihost Transmission of Schistosoma mansoni in Senegal, 2015-2018 - Volume 26, Number 6-June 2020 - Emerging...
Development of a Long-Lasting Topical Lotion Effective in the Prevention of Cercaria Penetration of Human Skin.
Superior candidates were applied to mice tails, allowed to dry and exposed to schistosome cercariae shed from infected snails. ... Superior candidate formulations prevented cercariae penetration within the limits of the test performed. Human longevity of the ... is to develop a cosmetically acceptable topical film forming lotion that will prevent the penetration of schistosome cercaria. ... Superior candidates were applied to mice tails, allowed to dry and exposed to schistosome cercariae shed from infected snails. ...
SchistosomaSnailsSchistosome cercariaeTrematodaMansoniRediaeSchistosomulaVaccinated with irradiated cercariaeRediaSporocystMetacercariaInfectionParasitePenetrateTypes of cercariaeIdentification of cercariaeSporocystsSchistosomiasisTrematode cercariaeRadiation-attenuatedExposureLarvaeMALDI-TOFFlukesInfectivityTrichobilharziaTrematodesSpeciesInfect humansGlandsMorphologicalIntermediate hostMiracidiaPROTEROMETRA1961AntigenEmergingParasitesExperimentsStimulateVitroStagesSkinSecondary host
Schistosoma15
- Coloured scanning electron micrograph (SEM) of a cercaria of the parasitic fluke Schistosoma mansoni, cause of the disease bilharzia (schistosomiasis). (sciencephoto.com)
- An evaluation of this method for mice immunized with highly X-irradiated cercariae of Schistosoma mansoni was made. (springer.com)
- The density of Schistosoma mansoni cercariae in Puerto Rican waters was found to undergo a marked daily fluctuation. (ajtmh.org)
- An attempt to label the cercariae of Schistosoma japonicum with radioactive iron (Fe 59 ) gave encouraging results. (ajtmh.org)
- Pulmonary leukocytic responses are linked to the acquired immunity of mice vaccinated with irradiated cercariae of Schistosoma mansoni. (jimmunol.org)
- Animals exposed to irradiated cercariae of S. mansoni were resistant to homologous challenge infection but were not protected against Schistosoma margrebowiei. (jimmunol.org)
- The ultrastructure of the oral sucker of the cercaria of Schistosoma mansoni was investigated using stereoscan and transmission electron microscopy. (semanticscholar.org)
- Cercariae of Schistosoma mansoni. (publicdomainfiles.com)
- Public Domain Picture: Cercariae of Schistosoma mansoni. (publicdomainfiles.com)
- When applied to the surface of clean and turbid water in test vessels, the formulation spread across and just below the air-water interface, causing inactivation of Schistosoma mansoni cercariae within minutes. (elsevier.com)
- Schistosomiasis japonica, caused by contact with Schistosoma japonicum cercaria-infested water when washing, bathing or production, remains a major public-health concern in China. (biomedcentral.com)
- Schistosoma mansoni cercaria and schistosomulum obtained in vitro were used in immunofluorescence (IF) tests and indirect hemagglutination (IHA) tests of 137 study sera, 44 from subjects infected with S. mansoni and 93 from healthy subjects residing outside áreas endemic for the disease. (bvsalud.org)
- Following initial invasion of Schistosoma mansoni cercariae, schistosomula reside in the skin for several days during which they can interact with the dermal immune system. (figshare.com)
- Skin sections of rhesus monkeys immunized with X-irradiated Schistosoma japonicum cercariae were stained by an unlabeled antibody enzyme method for the detection of IgG, IgM, IgA, IgE, and C3. (meta.org)
- Cercariae of Schistosoma mansoni alternate between active swimming and passive drifting. (osti.gov)
Snails16
- The cercariae shed from the snails were again exposed to several species of fresh water snails in order to observe metacercarial formation in the snails and their infectivity to final hosts. (unboundmedicine.com)
- About 58.3% of the above snails (7 out of 12) were dead before shedding the cercariae, and the remainder shed the cercariae for a period of 7 to 9 days before death. (unboundmedicine.com)
- The behavior of P. miyazakii cercariae released from snails into water and in the presence of a living host or a whole crab leg was observed by stereoscopic or light microscopy at various times after exposure started. (allenpress.com)
- That the cercariae were not ingested by the crabs but penetrated the crabs percutaneously (through hard as well as soft tissue) means that transmission can occur even in areas in which crabs and the host snails do not coexist, as they would if the usual route were oral (when the crabs ate infected snails). (allenpress.com)
- Superior candidates were applied to mice tails, allowed to dry and exposed to schistosome cercariae shed from infected snails. (dtic.mil)
- For Grodhaus and Keh ( 1 ), the ranges were mean values for 7 lots of cercariae obtained from 7 snails. (cdc.gov)
- The presence of vector snails and cercariae in all of the zones points to the presence of possible transmission foci for Schistosomiasis, Fascioliasis and other foodborne trematodiases. (zoonotic-diseases.org)
- IMSEAR at SEARO: Preliminary report on new cercariae from Bellamya and Pila snails in Peninsular Malaysia. (who.int)
- Some laboratory evidence indicates snails shed cercariae most intensely in the morning and on sunny days, and exposure to water in these conditions may therefore increase risk. (wikipedia.org)
- Schistosomes seek out freshwater snails as hosts in order to produce millions of tiny fork-tailed creatures called cercaria, which are then unleashed in the water and seek out mammals to infect. (eurekalert.org)
- The story started nearly 40 years ago, when a 1981 paper by Margaret Stirewalt and Fred Lewis of the Biomedical Research Institute in Rockville, Maryland, described the intriguing fact that tiny aquatic creatures called rotifers also live on these snails and release a chemical compound that paralyzes schistosome cercariae on contact. (eurekalert.org)
- Cercariae are released from infected snails which are the intermediate host. (imperial.ac.uk)
- Miracidia infect freshwater snails, and complete the cycle by releasing cercariae. (imperial.ac.uk)
- Ismael and Saliba (1985) isolated a gymnocephalous cercaria from Melanoides tuberculata snails in the same oasis, identified as P. gralli ( Ismael and Issa 1987 ). (scielo.sa.cr)
- These snails were later transferred to an aquarium, and 15 days post-infection, they were transferred to bowls and examined every morning for the emergence of cercariae. (scielo.sa.cr)
- Two snails produced cercariae of P. gralli after 83 days of infection and formed cysts at the bottom of the bowl. (scielo.sa.cr)
Schistosome cercariae2
- Naples, JM, Shiff, C & Halden, RU 2005, ' Reduction of infectivity of schistosome cercariae by application of cercaricidal oil to water ', American Journal of Tropical Medicine and Hygiene , vol. 73, no. 5, pp. 956-961. (elsevier.com)
- This report is the first quantitative study of photosensory stimulus-response relationships in schistosome cercariae. (osti.gov)
Trematoda2
- For example, free-swimming cercariae (Trematoda) perceive and respond to exogenous factors such as light, temperature, salinity, host-derived chemicals. (thefreelibrary.com)
- Grodhaus G , Keh B . The marine dermatitis-producing cercaria of Austrobilharzia variglandis in California (Trematoda: Schistosomatidae). (cdc.gov)
Mansoni4
- Unlike mature cercariae of S. mansoni and S. haematobium that suspend evenly in water after shedding from the snail intermediate hosts, more than 98% of the mature cercaria of S. japonicum float on the water surface [ 26 , 27 ], which provides the possibility and feasibility for killing S. japonicum cercaria on the surface of the water. (biomedcentral.com)
- To the best of our knowledge this is the first study that attempts to provide insight in the human dermal S. mansoni cercariae invasion and subsequent immune responses comparing non-attenuated with RA parasites. (figshare.com)
- This initial understanding of the dermal immune suppressive capacity of S. mansoni cercariae in humans provides a first step toward the development of an effective schistosome vaccine. (figshare.com)
- After skin penetration, cercariae transform into larval schistosomula which enter the bloodstream, passing through the lungs before maturing in the hepatic portal veins, where males and females pair and move to either the mesenteric ( S. mansoni and S. japonicum ) or urogenital ( S. haematobium ) vasculature to lay eggs ( 5 ). (frontiersin.org)
Rediae5
- The cannibalistic behaviour of the rediae is demonstrated by rediae which have the posterior end and tail of extraredial cercariae protruding from the mouth. (semanticscholar.org)
- Rediae are larvae which are produced within the sporocyst of trematodes that creates more rediae or can become cercariae. (wikipedia.org)
- Cercariae are larval trematode worms that form from rediae. (wikipedia.org)
- Larval forms of this trematode (mother sporocysts, rediae and cercariae) were found in the gonads and digestive gland of Clypeomorus clypeomorus (Gastropoda: Cerithiidae), a common snail in the same lagoon. (cambridge.org)
- These miracidia develop through sporocyst and rediae stages into cercariae. (medscape.com)
Schistosomula1
- It is an abundant protein in the cercariae and schistosomula and is very scarce in the adult worm. (asm.org)
Vaccinated with irradiated cercariae1
- Two separate experiments were performed to track parasites in normal mice, and in mice previously vaccinated with irradiated cercariae. (nih.gov)
Redia1
- Descriptions of the miracidium, mother redia, daughter redia, grandaughter redia, cercaria, metacercaria and adult stages of Philophthalmus gralli Mathis and Leger,1910 recovered from experimental infections are presented. (scielo.sa.cr)
Sporocyst2
- After infecting a snail, it develops into a mother sporocyst, which in turn undergoes asexual reproduction, yielding large numbers of daughter sporocysts, which asexually produce another short-lived, free-living stage, the cercaria. (wikipedia.org)
- Each daughter sporocyst develops into a second larval form called a cercaria. (icr.org)
Metacercaria1
- The motile cercaria finds and settles in a host where it will become either an adult, or a mesocercaria, or a metacercaria, according to species. (wikipedia.org)
Infection5
- Although vaccination with irradiated cercariae also stimulated T cell responses of greater magnitude and duration than normal infection, the lymphocytic infiltrate elicited by each regimen did not differ substantially in its composition, 5 wk after exposure. (jimmunol.org)
- Duration of swimming is positively correlated with increased risk of infection in Europe and North America, and shallow inshore waters may harbour higher densities of cercariae than open waters offshore. (wikipedia.org)
- Infection occurs when individuals come into contact with water containing cercariae, which infect humans via the skin ( 2 - 4 ). (frontiersin.org)
- Infection occurs through contact with cercariae-infested freshwater. (imperial.ac.uk)
- The use of irradiated cercariae for vaccination is the best animal model described hitherto, leading to up to 90% protection against challenge infection ( 25 ). (asm.org)
Parasite4
- A cercaria (plural cercariae) is the larval form of the parasite Trematode. (wikipedia.org)
- The exact role of light as a controlling, initiating, or orienting factor for cercariae in marine and freshwater systems still remains unclear, and the existence of analogous photobehavioral responses in parasite species utilizing hosts in different microhabitats has not been well-studied in the marine environment. (thefreelibrary.com)
- Parasite cercaria. (sciencephoto.com)
- She claims that all cancer is caused by one parasite, Fasciolopsis buskii, an asian trematode contracted by opening water chestnuts with your teeth (the cercaria are deposited there by the snail intermediate). (bio.net)
Penetrate4
- The cercariae live in lakes and rivers, and penetrate the skin of humans in the water. (sciencephoto.com)
- We have observed that when cercariae penetrate the skin of mice, there is influx into their tissues of Lucifer Yellow and certain labelled molecules of up to 20 kDa molecular weight. (meta.org)
- 6 ]). Free-swimming larvae ( cercariae ) penetrate the skin and reach the bloodstream where they develop into adult worms. (mdpi.com)
- Free-swimming larvae (called cercariae) of blood flukes penetrate the human skin directly. (britannica.com)
Types of cercariae1
- The development of a "high throughput" identification system for all types of cercariae would be of considerable interest in epidemiological surveys of trematode infections. (parasite-journal.org)
Identification of cercariae2
- Identification of cercariae was long based on morphological and morphometric features, but these approaches remain difficult to implement and require skills that have now become rare. (parasite-journal.org)
- We propose a new approach for the identification of cercariae using MALDI-TOF mass spectrometry. (parasite-journal.org)
Sporocysts4
- Morphology of the daughter sporocysts of Cercaria etgesii Shchenkov, 2017 (Pleurogenidae) has been described according to conventional histological techniques and subsequent 3D reconstruction with Bitplanelmaris® software. (degruyter.com)
- No mitoses in germinal mass were evident although apparent production of the cercariae embryos by the sporocysts take place. (degruyter.com)
- The only detailed morphological research is the TEM description of the body wall organization of Cercaria helvetica XII (Lecithodendriidae) daughter sporocysts by Reader (1975) . (degruyter.com)
- Members of the family Fellodistomatidae, like other digenetic trematodes, normally have a life cycle in which a fish hosts the adult worm, sporocysts mature in bivalve mollusks, and cercariae infect the fish. (springer.com)
Schistosomiasis2
- Schistosomiasis continues to plague populations living in disease-endemic areas, and exposure to infective cercariae results in more than 200 million cases worldwide. (elsevier.com)
- This cercaria-killing method, as an emergency-treatment intervention for infested water, can be applied in those forecasting and early warning systems for schistosomiasis. (biomedcentral.com)
Trematode cercariae2
- In this study, we sought to identify snail species infected with Trematode cercariae and environmental factors that correlate with their presence. (zoonotic-diseases.org)
- Biomphalariae and Lymnaeid species were found to be infected with trematode cercariae. (zoonotic-diseases.org)
Radiation-attenuated1
- While murine experiments have indicated that exposure to radiation-attenuated (RA) cercariae can generate protective immunity which is initiated in the skin stage, contrasting non-attenuated cercariae, such data is missing for the human model. (figshare.com)
Exposure3
- On the basis of these experiments, the hazard of exposure to cercariae in Puerto Rican waters is considered to be from 20 to 100-fold less between the hours of 5 a.m. and 9 a.m. than at most other times of the day. (ajtmh.org)
- These cercariae reach the subcutaneous tissue within one hour after exposure, and some migrate to the lungs. (up.ac.za)
- Crabs examined 102-149 days after exposure to the cercariae contained fully developed metacercariae. (allenpress.com)
Larvae1
- 2004). Like other lecithotrophic larvae of marine invertebrates, cercariae experience an abbreviated dispersal phase before recruiting to their next habitat (i.e., secondary-host) (Zimmer et al 2009). (thefreelibrary.com)
MALDI-TOF2
- Logistic regression model based on identification prediction using the final version of the MALDI-TOF cercariae database compared to molecular identification. (parasite-journal.org)
- Une valeur seuil de LSV à 1,7 a permis l'identification de cercaires en MALDI-TOF sans faux-positif, mais davantage de données sur les espèces étroitement apparentées sont nécessaires pour valider ce seuil. (parasite-journal.org)
Flukes1
- Adult flukes from cercariae that were exposed to radioactive solutions with total activities of 2.4 µc, 0.9 µc and 0.1 µc, respectively, for 6 hours definitely produced images in 30 to 42 days on photographic films by autoradiography. (ajtmh.org)
Infectivity5
- The purpose of the present study was to investigate the effect of a suspension concentrate of niclosamide (SCN) on killing cercaria of S. japonicum that float on the water surface, and its toxicity to fish, so as to establish an emergency-treatment intervention for rapidly killing cercaria and eliminating water infectivity. (biomedcentral.com)
- The Effects Of Temperature And Type Of Mouse Bedding On The Infectivity Of Human Schistosome Type Cercariae In Mice with abstract, chapters 1-5, references, and questionnaire. (eduprojecttopics.com)
- Infectivity of cercariae at 5°C was zero. (eduprojecttopics.com)
- The results showed an inverse relationship between infectivity of cercariae and duration of storage. (eduprojecttopics.com)
- It was found that infectivity of cercariae to mice maintained on shredded paper was higher than to mice on sawdust bedding. (eduprojecttopics.com)
Trichobilharzia3
- The penetration of mammalian skin by cercariae of Trichobilharzia sp. (up.ac.za)
- The ability of the cercariae of Trichobilharzia sp. (up.ac.za)
- The cercariae they emitted ( Trichobilharzia anseri , Diplostomum pseudospathaceum , Alaria alata , Echinostoma revolutum , Petasiger phalacrocoracis , Tylodelphys sp. (parasite-journal.org)
Trematodes1
- Here we providea survey of larval trematodes (cercariae) based on Central, North and Western European literature. (foliamalacologica.com)
Species4
- In this study, we examined the photoresponses of two species of marine cercariae that utilize different secondary hosts. (thefreelibrary.com)
- Within the snail host, the larvas develop and reproduce for over 32 weeks in this species of schistosome before emerging as developed cercariae (9). (stanford.edu)
- This species has not been reported so far in Venezuela and this is the first natural occurrence of cercariae of P. gralli in a freshwater mollusc, M. tuberculata, from Aguasanta and Yaguaracal, Sucre State, Venezuela. (scielo.sa.cr)
- Mature cercariae then emerge from the snail into freshwater, burrow through the epidermis of mammalian hosts, migrate to species-specific niches in the host vascular system, develop to adulthood, and begin to reproduce sexually, thereby completing the life cycle. (elifesciences.org)
Infect humans1
- The cercariae cannot infect humans, but they cause an inflammatory immune reaction. (wikipedia.org)
Glands1
- A cercaria has a tapering head with large penetration glands. (wikipedia.org)
Morphological1
- Morphological characteristics and measurements of Plagiorchis mutationis Panova, 1927 cercaria found for the first time in the intermediate host, pond snail Lymnaea stagnalis in Ukraine are given. (sciendo.com)
Intermediate host4
- For marine cercariae that utilize fish as their second intermediate host, light may stimulate their ascent as they are released from benthic molluscs, their first intermediate host. (thefreelibrary.com)
- Some observations on Cercaria splendens Szidat, 1932 from a new intermediate host, Planorbis vortex, in the Netherlands. (foliamalacologica.com)
- In the complex life cycle of a digenetic trematode, the cercaria larva is shed from a snail intermediate host and represents a short-lived, aquatic transfer stage to the next host. (nottingham.ac.uk)
- The cercariae emerge and invade the second intermediate host (ie, a crustacean such as crabs or crayfish), in which they become metacercariae. (medscape.com)
Miracidia1
- Methods were developed for the cost effective and rapid processing and microsatellite analysis of S. haematobium larval stages stored on Whatman-FTA cards and proved robust on miracidia and cercariae collected from Zanzibar and Niger. (biomedcentral.com)
PROTEROMETRA1
- Two general experiments will be conducted with the unusually large cercaria of Proterometra macrostoma. (nottingham.ac.uk)
19611
- Successful transmission depends on encountering a host within a limited time frame as most cercariae have life spans of 24 h or less (Holliman, 1961). (thefreelibrary.com)
Antigen1
- Since murine skin does not form a reliable marker for immune responses in human skin, we used human skin explants to study the interaction with non-attenuated and RA cercariae with dermal innate antigen presenting cells (APCs) and the subsequent immunological responses. (figshare.com)
Emerging2
- Emerging cercariae were described and characterized using photo-referencing and standardized keys. (hindawi.com)
- Emerging cercariae encysted and preferably stayed at the bottom of the container. (scielo.sa.cr)
Parasites1
- Mice exposed to cercariae attenuated with 20 krad gamma-radiation developed stronger and more persistent pulmonary leukocytic responses than animals exposed to equal numbers of normal parasites. (jimmunol.org)
Experiments1
- Laboratory experiments were conducted to test whether a cercaricidal film applied directly to the water surface can reduce viability of cercariae. (elsevier.com)
Stimulate2
- In contrast, light, gravitational, or other cues may stimulate other cercariae to swim downward to increase their contact with benthic intermediate hosts such as crabs (e.g. (thefreelibrary.com)
- Ten were infected with cercariae of P. gralli, which were maintained in separate glass bowls in dechlorinated water, and exposed to artificial lighting (tungsten tube light) to stimulate shedding of cercariae. (scielo.sa.cr)
Vitro1
- This unexpected phenomenon was investigated further by transforming cercariae in vitro in the presence of the membrane-impermeant compounds and examining the distribution by microscopy. (meta.org)
Stages1
- The cycle was completed in about 26 weeks and followed one of the three known patterns of lepocreadiid life cycles, and except for the gymnocephalus cercariae, the other larval stages are very similar to those of lepocreadiids. (cambridge.org)
Skin7
- This observation was made using a variety of fluorescent membrane-impermeant compounds injected into the skin before the application of cercariae. (meta.org)
- Development of a Long-Lasting Topical Lotion Effective in the Prevention of Cercaria Penetration of Human Skin. (dtic.mil)
- We exposed human skin explants to cercariae and visualized their invasion in real time (initial 30 min) using novel imaging technologies. (figshare.com)
- The cercaria penetrates the skin and dies in the skin immediately. (wikipedia.org)
- The cercaria leaves the snail and enters the water once again, swimming until contacting the skin of the primary host. (icr.org)
- The cercaria burrows into the skin and enters blood vessels. (icr.org)
- Once cercariae have penetrated the skin, they migrate to the intestine or bladder where they reproduce. (imperial.ac.uk)
Secondary host1
- Comparative photobehavior of marine cercariae with differing secondary host preferences. (thefreelibrary.com)