Establishment of the age of an individual by examination of their skeletal structure.
A means of identifying the age of an animal or human through tooth examination.
A circular structural unit of bone tissue. It consists of a central hole, the Haversian canal through which blood vessels run, surrounded by concentric rings, called lamellae.
The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.
Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time.
Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor.
Scientific study of human skeletal remains with the express purpose of identification. This includes establishing individual identity, trauma analysis, facial reconstruction, photographic superimposition, determination of time interval since death, and crime-scene recovery. Forensic anthropologists do not certify cause of death but provide data to assist in determination of probable cause. This is a branch of the field of physical anthropology and qualified individuals are certified by the American Board of Forensic Anthropology. (From Am J Forensic Med Pathol 1992 Jun;13(2):146)
The science devoted to the comparative study of man.
The comparative science dealing with the physical characteristics of humans as related to their origin, evolution, and development in the total environment.
Field of social science that is concerned with differences between human groups as related to health status and beliefs.
It is the study of social phenomena which characterize the learned, shared, and transmitted social activities of particular ethnic groups with focus on the causes, consequences, and complexities of human social and cultural variability.
Validation of the sex of an individual by means of the bones of the SKELETON. It is most commonly based on the appearance of the PELVIS; SKULL; STERNUM; and/or long bones.
Geological formations consisting of underground enclosures with access from the surface.
Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)
Animals that have no spinal column.
The variety of all native living organisms and their various forms and interrelationships.
A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
Woody, usually tall, perennial higher plants (Angiosperms, Gymnosperms, and some Pterophyta) having usually a main stem and numerous branches.
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.
A dental specialty concerned with the prevention and correction of dental and oral anomalies (malocclusion).
Professional medical personnel approved to provide care to patients in a hospital.
Educational programs for medical graduates entering a specialty. They include formal specialty training as well as academic work in the clinical and basic medical sciences, and may lead to board certification or an advanced medical degree.
The capability to perform acceptably those duties directly related to patient care.
Studies designed to assess the efficacy of programs. They may include the evaluation of cost-effectiveness, the extent to which objectives are met, or impact.
Dental personnel practicing in hospitals.
The medical science concerned with the prevention, diagnosis, and treatment of diseases in animals.
Drugs used by veterinarians in the treatment of animal diseases. The veterinarian's pharmacological armamentarium is the counterpart of drugs treating human diseases, with dosage and administration adjusted to the size, weight, disease, and idiosyncrasies of the species. In the United States most drugs are subject to federal regulations with special reference to the safety of drugs and residues in edible animal products.
Use for general articles concerning veterinary medical education.
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.
A board-certified specialty of VETERINARY MEDICINE, requiring at least four years of special education, training, and practice of veterinary surgery after graduation from veterinary school. In the written, oral, and practical examinations candidates may choose either large or small animal surgery. (From AVMA Directory, 43d ed, p278)
Educational institutions for individuals specializing in the field of veterinary medicine.
Individuals with a degree in veterinary medicine that provides them with training and qualifications to treat diseases and injuries of animals.
The fundamental dispositions and traits of humans. (Merriam-Webster's Collegiate Dictionary, 10th ed)
Differences of opinion or disagreements that may arise, for example, between health professionals and patients or their families, or against a political regime.
Individual or group aggressive behavior which is socially non-acceptable, turbulent, and often destructive. It is precipitated by frustrations, hostility, prejudices, etc.
A genus of ruminants in the family Bovidae. The common name chamois usually refers to the species Rupicapra rupicapra. Rupicapra pyrenaica, found in the Pyrenees, is more properly referred to as the Pyrenean chamois.
A form of alveolitis or pneumonitis due to an acquired hypersensitivity to inhaled antigens associated with farm environment. Antigens in the farm dust are commonly from bacteria actinomycetes (SACCHAROPOLYSPORA and THERMOACTINOMYCES), fungi, and animal proteins in the soil, straw, crops, pelts, serum, and excreta.
Parliamentary democracy located between France on the northeast and Portugual on the west and bordered by the Atlantic Ocean and the Mediterranean Sea.
The common orally transmitted traditions, myths, festivals, songs, superstitions, and stories of all peoples.
... but this method of age determination is now believed to be inaccurate for older animals. After Old Tom's death, his pod ... Old Tom's bones were preserved and his skeleton is now on display in the Eden Killer Whale Museum. The Law of Tongue is ... Problems in Age Determination. International Conference on Determining Age of Odontocete Cetaceans (and Sirenians). La Jolla: ... Age determination of toothed whales and sirenians, pp. 143-154 Rep. Int. Whal. Comm. (Special Issue 3), cited in Know the ...
1789 - The skeleton of a large animal is unearthed in Argentina. In 1796 Cuvier reports that it had an affinity to modern tree ... 1830 - The Cuvier-Geoffroy debate in Paris on the determination of animal structure 1831 - Mantell publishes an influential ... He coins the term "Mesozoic" for what Mantell had called "The Age of Reptiles." 1856 - Fossils are found in the Neander Valley ... for the reconstruction of ancient animals and plants from fossils. 1823 - Buckland finds a human skeleton with mammoth remains ...
... and one of burials was found in a funeral urn with animal remains inside. Unfortunately, many of the skeletons were disturbed ... The characteristics of these specimens, do not allow origin determination. It was possible to diagnose pathological problems in ... 30-35 years of age approximately. Most of the molars display a very marked wear that is typical of the prehispanic Nicaragua ... Remains of animals at the main altar of the Cathedral The total animal samples in quantitative terms are very small, but even ...
... more than 1.5 times the rest of the skeleton together. Colbert estimated the animal's length at about 1 m (3.3 ft). In 1995, ... based on its Jurassic age. This formation is now known as the Passaic Formation, and instead thought to be Late Triassic in age ... the writer Jan Peczkis estimated Podokesaurus to have weighed 10-40 kg (22-88 lb), through pelvic height determination (based ... Lull found the animal to have been essentially a slender, cursorial (adapted for running) animal, with carnivorous habits, but ...
2019). Partial dyrosaurid skeleton discovered in the 1930s in Paleocene (Danian) strata along the Atlantic coast of Senegal is ... ISBN 978-3-030-27534-1. G. F. Funston; P. J. Currie; M. J. Ryan; Z.-M. Dong (2019). "Birdlike growth and mixed-age flocks in ... evaluating their implications for the knowledge of feather shape evolution and the utility of barb angles for determination of ... non-avian theropod dinosaurs and other cursorial animals, aiming to determine whether cursorial birds are good kinematic model ...
His deepest fear is a failure to be a leader (as seen in "Quest of the Skeleton Warrior"). Twice he does fail as a leader: ... Hank, the Ranger (voiced by Willie Aames): At 15 years of age, he is the leader of the group. Hank is brave and noble, ... She is skilled at handling animals and is self-assured and confident. These qualities make her the natural leader in the ... maintaining a focus and determination even when presented with grave danger. Hank is a Ranger, with a magical bow that shoots ...
In the front hall of the building was the fourth skeleton, too poorly preserved to allow determination of age or gender. Nearby ... clear evidence that their flesh was carefully cut away, much in the manner of sacrificed animals. In fact the bones of ... The positions of the other three skeletons suggest that an earthquake caught them by surprise-the skeleton of a twenty-eight- ... Four human skeletons were found in its ruins; one, belonging to a young man, was found in an unusually contracted position on a ...
At the age of between four and six years, arm growth slowed and leg growth accelerated as the animal became mature. At this ... An age determination study performed on the fossilized remains of P. mongoliensis by using growth ring counts suggest that the ... Fossils of hundreds of individuals have been collected so far, including many complete skeletons. Most age classes are ... Two nearly complete, articulated skeletons and a variety of disarticulated material from other individuals of all ages are ...
Other animals[edit]. The clavicle first appears as part of the skeleton in primitive bony fish, where it is associated with the ... However, it is one of the last bones to finish ossification at about 21-25 years of age. A study measuring 748 males and 252 ... Clavicle form is a reliable criterion for sex determination.[4]. The collarbones are sometimes partly or completely absent in ... Transmits physical impacts from the upper limb to the axial skeleton.. Muscle[edit]. Muscles and ligaments that attach to the ...
Brooks, S; Suchey, JM (1990). "Skeletal age determination based on the os pubis: A comparison of the Acsadi-Nemeskeri and ... This method was introduced for looking at animal remains that are fragmented in hopes of determining how many types of animals ... Kunos and colleagues believe that the fourth rib is not the best to use due to misidentification in a disarticulated skeleton. ... Younger individuals age is based on tooth eruption and fusion of bone at different rates. Once the individual is aged, then ...
Skeletons included one of a male aged about 15 who had spina bifida. All of his bones were found to have been fragile. One of ... Animal bones and shells found in the graves indicated that the people ate white-tailed deer, raccoon, opossum, birds, fish and ... The state of preservation of the brain tissues allowed a determination that the bodies were buried in the peat within 24 to 48 ... Some skeletons showed wounds from conflict that were likely the cause of death. The pelvis of one male had a bone spear point ...
The main factors were the animal's age and size. For example, first year deer offered hides most suitable for clothing, while ... Similarly, the skeletons of some red foxes contain decorative incisors and canines as well as ulnas used for awls and barbs. ... New AMS determinations for Maisières-Canal, Belgium". Antiquity. 84 (323): 26-40. doi:10.1017/S0003598X00099749. Pesesse, ... Some animal bones were only used to create tools. Due to their shape, the ribs, fibulas, and metapodia of horses were good for ...
The specimen was collected from the middle zone, B, and considered to of the early Anisian age. There is no evidence of the ... The lack of a complete skeleton makes it difficult to re-create what the species may have looked like; however, analysis of the ... "Animals fled to Antarctic to survive global warming". Telegraph.co.uk. The Telegraph. 3 December 2009. Retrieved 28 February ... This led Hotton to the determination that the fossils belonged to a new Dicynodont species, Kombuisia frerensis. Until 2009 ...
1997) made this determination with even more certainty when they described a partial skeleton of an adult Troodon (MOR 748) in ... Age determination studies performed on the Two Medicine troodont using growth ring counts suggest that this dinosaur reached ... They had very long, slender hind limbs, suggesting that these animals were able to run quickly. They had large, retractable ... A partial skeleton has been discovered with preserved puncture marks, possibly inflicted by a predator. Dinosaur eggs and nests ...
... and thus wildly underestimated its true age, believing the remains to date to the Roman era. Buckland believed the skeleton was ... there was no existing scientific method for the determination of the age of any prehistoric remains. Early carbon dating has ... In 1822 Daniel Davies and the Rev John Davies found animal bones, including the tusk of a mammoth. The Talbot family of Penrice ... ages gracefully: New Ultrafiltration AMS determinations from Paviland", Journal of Human Evolution, 2008 Dinnis, R (2012). " ...
Animal and plant cells normally reproduce and function during the whole period of natural existence, but the aging process ... a skeleton. The terms carrion and carcass can also be used, though these more often connote the remains of non-human animals. ... Such determination, therefore, requires drawing precise conceptual boundaries between life and death. This is difficult, due to ... Inquiry into the evolution of aging aims to explain why so many living things and the vast majority of animals weaken and die ...
The Bronze Age of Southeast Asia: new insight on social change from Ban Non Wat. Cambridge Archaeological Journal 21(3): 365-89 ... The dating program at this site involved dating the bones from the people who lived at Ban Chiang and the bones of animals ... The resulting determinations were analysed using the Bayesian statistic OxCal 4.0, and the results suggested that the initial ... During the first formal scientific excavation in 1967, several skeletons, together with bronze grave gifts, were unearthed. ...
Such tunnelling behaviour may allow the animal access to insects, on which it feeds. Captive scaly-foots have been recorded to ... However, little is known about ages of individuals on the wild. Predators of the eastern hooded scaly-foot include raptors, ... Threats to the eastern hooded scaly-foot include: Climate change affecting sex determination Habitat loss and degradation ... doi: 10.1080/10635150390250974 Stephenson, N. G. (1962). The comparative morphology of the head skeleton, girdles and hind ...
1997) made this determination with even more certainty when they described a partial skeleton of an adult Troodon (MOR 748) in ... Age determination studies performed on the Two Medicine troodont using growth ring counts suggest that this dinosaur reached ... 1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. pp. 112-113. ISBN ... 2008) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages Supplementary Information ...
The main factors were the animal's age and size. For example, first year deer offered hides most suitable for clothing, while ... Similarly, the skeletons of some red foxes contain decorative incisors and canines as well as ulnas used for awls and barbs.[22 ... New AMS determinations for Maisières-Canal, Belgium". Antiquity. 84 (323): 26-40. doi:10.1017/S0003598X00099749.. .mw-parser- ... Use of animal remainsEdit. Decorations and toolsEdit. The Gravettian era landscape is most closely related to the landscape of ...
... age of the Lake Mungo 3 skeleton". Journal of Human Evolution. 36 (6): 591-612. doi:10.1006/jhev.1999.0305. ISSN 0047-2484. ... Animals were also driven towards set nets and fish traps were common. The degree to which Aboriginal and Torres Strait Islander ... Central to this question is a determination of how long humans and the megafauna species coexisted. Many factors have been ... In the 1950s, the dates were extended to the last Ice Age, based upon falling sea-levels at that period and the existence of ...
... the major animal groups, the land animals, water animals and birds, all competed for the platypus to join their respective ... In captivity, platypuses have survived to 17 years of age, and wild specimens have been recaptured when 11 years old. Mortality ... a study found that the mechanism of sex determination is the AMH gene on the oldest Y chromosome.[79][80] A draft version of ... Platypus skeleton. Because of the early divergence from the therian mammals and the low numbers of extant monotreme species, ...
Girls Stature-for-age and Weight-for-age percentiles" (PDF). CDC. Retrieved 2 June 2020. "2 to 20 years: Boys Stature-for-age ... Brain volume data and other craniometric data are used in mainstream science to compare modern-day animal species and to ... Reuland, P.; Werz, R. (2000). "Investigations on Skeletal Growth Zones via Bone Scans as Base of Determination of Optimal Time ... Forensic anthropologists study the human skeleton in a legal setting. A forensic anthropologist can assist in the ...
Determination of these values was based on RDA of 2.4 µg/day for non-pregnant women plus what will be transferred to the fetus ... Women who consume a small percentage of their diet from animal-sourced foods or who by choice consume a vegetarian or vegan ... Approximately 30 g of calcium is accumulated during pregnancy, almost all of it in the fetal skeleton (25 g). For women with ... These supplements reduce numbers of low birth weight babies, small for gestational age babies and stillbirths in women who may ...
It can live to over 50 years, and has been known to reach age 70 in captivity. It cannot breed past its 50s. The Chinese ... A study of the alligator in 1985 showed that snails were the most common animal in its diet at 63%, with 65% of that being ... The oldest record of the Chinese alligator is a skeleton fragment found in western Japan. The fossil is estimated to be from ... This temperature controls whether a young alligator will be male or female (temperature-dependent sex determination), a feature ...
Chemically, flavonoids have the general structure of a 15-carbon skeleton, which consists of two phenyl rings (A and B) and ... Lamaison and Carnet have designed a test for the determination of the total flavonoid content of a sample (AlCI3 method). After ... mean that many animals, including humans, ingest significant quantities in their diet. Foods with a high flavonoid content ... and protection of cells from premature aging, antioxidant activity, antioxidant content and antioxidant properties, and ...
Around that age, femoral rings cease to form. Further research on age determination methods for tuatara is required, as tuatara ... The islands are difficult to get to, and are colonised by few animal species, indicating that some animals absent from these ... They are able to hear, although no external ear is present, and have unique features in their skeleton, some of them apparently ... Phalangeal hematoxylinophilic rings can be used for tuatara up to 12-14 years of age, as they cease to form around this age. ...
This was the first use of skeletochronology as a method of age determination in vertebrates as well as an assessment of the ... Samples of shells and skeletons of Gopherus were collected from Florida and fossil tortoises were collected from the 'turtle- ... Lab Animal. 48 (1): 16-18. doi:10.1038/s41684-018-0193-6. PMID 30397267. S2CID 53240175. Woodward, Aylin (2019). "Frogs are ... As this technique of age determination is used most popularly in amphibians and reptiles, it faces several barriers with ...
Physical handling of animals produced strong stress responses. Diver impact on subtropical, and particularly temperate reefs is ... Another conservation strategy identified potentially vulnerable species and based the determination of sustainable numbers of ... gender or age. Divers came into contact with the substrate more often on soft sediment than on coral reefs, but environmental ... in the Mediterranean in Spain indicates that sessile organisms with fragile and brittle calcareous or corneous skeletons are ...
2002). At the age of 15 to 21 days, green sturgeon are 30 mm or greater in length (Deng et al. 2002). At the age of 45 days, ... This threatened determination was based on the reduction of potential spawning habitat, the severe threats to the single ... They have replaced a bony skeleton with one of cartilage, and possess a few large bony plates instead of scales. Sturgeons are ... highly adapted for preying on bottom animals, which they detect with a row of sensitive barbels on the underside of their ...
McDaniel, Justin (2006). "Buddhism in Thailand: Negotiating the Modern Age". In Berkwitz, Stephen C. Buddhism in World Cultures ... No smoking, drinking or flirting is allowed on the temple terrain, nor newspapers, animals or fortune-telling. Traditional, ... resolute determination, loving-kindness and equanimity.[243] All of these can be practiced through the three practices of ... Construction of a Spherical Skeleton Frame Structure by Precast Concrete Technology]. Journal of Thailand Concrete Association ...
"Animal Planet :: Ferocious Crocs". Animal.discovery.com. 2008-09-10. Retrieved March 16, 2010.. ... Franklin-Brown, Mary (2012). Reading the world : encyclopedic writing in the scholastic age. Chicago London: The University of ... Paton, R.L.; Smithson, T.R.; Clack, J.A. (1999). "An amniote-like skeleton from the Early Carboniferous of Scotland". Nature. ... Some reptiles exhibit temperature-dependent sex determination (TDSD), in which the incubation temperature determines whether a ...
Age estimation can be based on patterns of growth and development or degenerative changes in the skeleton. Many methods ... a new method for the determination of adult skeletal age at death". American Journal of Physical Anthropology. 68: 15-28. doi: ... The increased consumption of legumes, or animals that eat them, causes 15N in the body to decrease. Nitrogen isotopes in bone ... Not all skeletons can be assigned a sex, and some may be wrongly identified as male or female. Sexing skeletons is based on the ...
... due to their reputation as dangerous animals. The giant anteater remains widespread. Some populations are stable and the animal ... Grooming peaks during the first three months and declines as the young reaches nine months of age, ending by ten months. The ... visual sex determination can be difficult. The penis and testes are located internally between the rectum and urinary bladder ... Mounted skeleton. The giant anteater has broad ribs. Despite its specific name, tridactyla, meaning three fingers, it has five ...
a b Ross Piper (2007), Extraordinary Animals: An Encyclopedia of Curious and Unusual Animals, Greenwood Press. ... which act as insertion sites for connective tissues and ligaments in a fish's skeleton. Fully broadened neural arches act as ... Age determination. *Anguilliformity. *Bone *dermal. *intramembranous ossification. *Cleithrum. *Chromatophore. *Fins *dorsal ...
... but this method of age determination is now believed to be inaccurate for older animals.[174] One male known to researchers in ... The skeleton of the killer whale is of the typical delphinid structure, but more robust.[59] Its integument, unlike that of ... Females can often breed until age 40, followed by a rapid decrease in fertility.[162] As such, orcas are among the few animals ... The average size of a matriline is 5.5 animals.[142] Because females can reach age 90, as many as four generations travel ...
"The Avian Skeleton". paulnoll.com. Retrieved 13 December 2007.. *^ "Skeleton of a typical bird". Fernbank Science Center's ... An experiment in blue tits.". Journal of Animal Ecology. 81 (1): 87-96. PMID 21819397. doi:10.1111/j.1365-2656.2011.01889.x.. ... Brown, Lester (2005). "3: Moving Up the Food Chain Efficiently.". Outgrowing the Earth: The Food Security Challenge in an Age ... However, one recent study demonstrated temperature-dependent sex determination among the Australian brushturkey, for which ...
... and a postcranial skeleton very similar in size and shape to an otter. This animal has been lauded as the strongest bite of all ... Zofia Kielan-Jaworowska, Richard L. Cifelli, and Zhe-Xi Luo, Mammals from the Age of Dinosaurs: Origins, Evolution, and ... the animals are thought to have been drowned by a flash flood. The extensive shared burrows indicate that these animals were ... "Appendicular Skeleton".. *^ Butler, P. M. (2000). "Review of the early allotherian mammals" (PDF). Acta Palaeontologica ...
In chemical terms, it is an alkaloid with a phenethylamine skeleton found in various plants in the genus Ephedra (family ... Lillsunde P, Korte T (March 1991). "Determination of ring- and N-substituted amphetamines as heptafluorobutyryl derivatives". ... and age effects". JAMA Psychiatry. 70 (2): 185-198. doi:10.1001/jamapsychiatry.2013.277. PMID 23247506.. ... Caffeine has been found to increase striatal dopamine in animal models,[66] as well as inhibit the inhibitory effect of ...
"Melamine as a dietary nitrogen source for ruminants"[permanent dead link], G.L.Newton and P.R.Utley, Journal of Animal Science ... This white solid is a trimer of cyanamide, with a 1,3,5-triazine skeleton. It is widely used in production of certain plastics ... "HPLC Determination of Melamine, Ammeline, Ammelide, and Cyanuric Acid Contamination in Wheat Gluten and Rice Protein ... a 2009 study of 683 children diagnosed in Beijing in 2008 with nephrolithiasis and 6,498 children without nephrolithiasis aged ...
They have skeletons made of cartilage rather than bone. The class includes sharks, rays and chimaeras. Shark fin skeletons are ... Aquatic animals get significant thrust by moving fins back and forth in water. Often the tail fin is used, but some aquatic ... Age determination. *Anguilliformity. *Bone *dermal. *intramembranous ossification. *Cleithrum. *Chromatophore. *Fins *dorsal ... They have skeletons made of bone, and can be contrasted with cartilaginous fishes which have skeletons made of cartilage. Bony ...
Implications for the determination of Rubisco enzyme kinetics and for limitations to photosynthesis in vivo". Plant Physiology ... Several groups of animals have formed symbiotic relationships with photosynthetic algae. These are most common in corals, ... The sugars produced during carbon metabolism yield carbon skeletons that can be used for other metabolic reactions like the ... Implications for the determination of Rubisco enzyme kinetics and for limitations to photosynthesis in vivo". Plant Physiology ...
1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 33. ISBN 978-1 ... "Skeleton in the Corset". ReefQuest Centre for Shark Research. Retrieved 2009-08-21.. ... Age determination. *Anguilliformity. *Bone *dermal. *intramembranous ossification. *Cleithrum. *Chromatophore. *Fins *dorsal ... See also: Shark tooth and Animal tooth development. Jaws provide a platform in most fishes for simple pointed teeth. Lungfish ...
about 4.5 billion years: see Age of the Earth. *↑ Dalrymple G. Brent 2004. Ancient Earth and ancient skies: the age of the ... In nature, some animals do survive better than others, and it does lead to animals better adapted to their circumstances. With ... 2003). "First-year Wilkinson microwave anisotropy probe (WMAP) observations: determination of cosmological parameters". The ... The origin of vertebrate skeleton. Gems from habitats[change , change source]. *Natural selection in speciation ...
Animals with tubular endoskeletons tend to be larger than animals with exoskeletons or hydrostatic skeletons.[23]. *Habitat ... Many factors go into the determination of body mass and size for a given animal. These factors often affect body size on an ... Its size changes with age, but the shapes are similar. Studies of ontogenetic allometry often use lizards or snakes as model ... For example, animals with a closed circulatory system are larger than animals with open or no circulatory systems.[23]. * ...
Most flowering plants require an animal to do the transportation. While other animals are included as pollinators, the majority ... The insect outer skeleton, the cuticle, is made up of two layers: the epicuticle, which is a thin and waxy water resistant ... In the Carboniferous age, some of the Meganeura dragonflies had as much as a 50 cm (20 in) wide wingspan. The appearance of ... which is a type of sex-determination system, the offspring's sex is determined by the number of sets of chromosomes an ...
Schafer EA, Mackenzie K (July 1911). "The Action of Animal Extracts on Milk Secretion". Proceedings of the Royal Society B. 84 ... Kukucka MA, Misra HP (1992). "HPLC determination of an oxytocin-like peptide produced by isolated guinea pig Leydig cells: ... Oxytocin produces antidepressant-like effects in animal models of depression,[81] and a deficit of it may be involved in the ... Hornig D (September 1975). "Distribution of ascorbic acid, metabolites and analogues in man and animals". Annals of the New ...
Ciofi, Claudio; Swingland, Ian R. (1995). "Environmental sex determination in reptiles". Applied Animal Behaviour Science. 51 ( ... The plates of the shell are fused with the ribs in a rigid protective structure that is integral to the skeleton. Lichens can ... Harriet, a specimen kept in Australia Zoo, was the oldest known Galápagos tortoise, having reached an estimated age of more ... every other animal food fell off greatly in our estimation ... The meat of this animal is the easiest of digestion, and a ...
There are some indications it is not from the same animal as most of the skeletons (the "typical" A. lithographica).[5] ... it was many elements of the forearm preservation that allowed Ostrom to make the Archaeopteryx determination. For example, the ... wherein he expressed some doubt of its exact age and affinity. In his original description von Meyer mentioned neither the ... The skeleton shows a death posture typical of theropods and especially similar to that of the Eichstätt specimen. The animal's ...
Her skeleton was then put up for public display in the Tasmanian Museum until 1947, and was only lay to rest, by cremation, in ... Basket-like carriers were made from plant materials, kelp, or animal skin. The kelp baskets or carriers were used mainly to ... all Aboriginal children aged between six and 15 years were removed from their families to be brought up by the storekeeper and ... However, many of these skeletons were obtained from "aboriginal mummies" from graves or bodies of the murdered. Amalie Dietrich ...
Age 15 and above Total work force Employed Unemployed Labor participation rate (%) Unemployment rate (%) ... Other reports describe animal skulls and the use of human heads in societal beliefs. The Paiwan and other southern groups ... Since the early 1980s, many aboriginal groups have been actively seeking a higher degree of political self-determination and ... The communities would commonly offer Han farmers a permanent patent for use, while maintaining ownership (skeleton) of the ...
Journal of Animal Physiology and Animal Nutrition. 96 (5): 770-7. doi:10.1111/j.1439-0396.2011.01166.x. PMID 21623931.. ... As the skeleton forms the structure of the body, it is vital that it maintains its strength, even after breaks and injuries. ... The mass, distribution, age and density of collagen all contribute to the compliance required to move blood back and forth. ... Due to its key role in the determination of cell phenotype, cell adhesion, tissue regulation, and infrastructure, many sections ...
Piper, Ross (2007), Extraordinary Animals: An Encyclopedia of Curious and Unusual Animals, Greenwood Press. ... Franklin-Brown, Mary (2012). Reading the world : encyclopedic writing in the scholastic age. Chicago London: The University of ... Sex determination in lizards can be temperature-dependent. The temperature of the eggs' micro-environment can determine the sex ... Skeleton of bearded dragon (pogona sp.) on display at the Museum of Osteology. ...
The skeleton of the nesting specimen has damage that indicates it was scavenged by skin beetles. The diet of oviraptorids is ... Aquatic animals include molluscs, fish, turtles, and the crocodylomorph Shamosuchus. Fossils of mammals such as ... Nemegtomaia is known from the Nemegt and Baruungoyot Formations, which date to the upper Campanian-lower Maastrichtian ages of ... The nest does not preserve any complete eggs or embryos, which prevents determination of the size, shape, number, and ...
A) Skeleton of Protoceratops. B) to I) Skulls. B) & C) Psittacosaurus side & top. D) & E) Protoceratops side & top. F) & G) ... Dinosaurs evolved within a single lineage of archosaurs 243-233 Ma (million years ago) from the Anisian to the Carnian ages, ... The sauropods are famous for being the largest land animals that ever lived, and for having relatively small skulls. The ... Scores of complete skeletons have now been found of the more recent Confuciusornis, which is an early representative of the ...
They have heavy skeletons to help them stay submerged; the bones are pachyostotic (swollen) and osteosclerotic (dense), ... In animals *eye. *hair. *auditory ossicle. *nervous system. *brain. Of processes. *Aging *Death ... The most easily identifiable parts of sirenian skeletons are the skull and mandible, especially the frontal and other skull ...
Hornig D (1975). "Distribution of ascorbic acid, metabolites and analogues in man and animals". Ann. N. Y. Acad. Sci. 258: 103- ... "HPLC determination of an oxytocin-like peptide produced by isolated guinea pig Leydig cells: stimulation by ascorbate". Arch. ... Skeleton: Osteocalcin Kidney: JGA (renin) · peritubular cells (EPO) · calcitriol · prostaglandin Heart: Natriuretic peptide ( ...
This method involves the determination of the age of the animal from growth marks evident in the skeleton.4 9 In many ... Age determination of loggerhead sea turtles Caretta caretta by incremental growth marks in the skeleton. Smithson. Contrib. ... Guarino F.M. and Erismis U.M. (2008). Age determination and growth by skeletochronology of Rana holtzi, an endemic frog from ... Hutton J.M. (1986). Age determination of living Nile crocodiles from the cortical stratification of bone. Copeia 1986, 332 341. ...
... but this method of age determination is now believed to be inaccurate for older animals. After Old Toms death, his pod ... Old Toms bones were preserved and his skeleton is now on display in the Eden Killer Whale Museum. The Law of Tongue is ... Problems in Age Determination. International Conference on Determining Age of Odontocete Cetaceans (and Sirenians). La Jolla: ... Age determination of toothed whales and sirenians, pp. 143-154 Rep. Int. Whal. Comm. (Special Issue 3), cited in Know the ...
Determination of Sex *Skeletal sexual criteria manifest themselves at puberty and are not clear in the skeleton below age of 12 ... The scientific study of the skeleton (both human and animal) *The application of these skills to medico-legal cases if forensic ... and the aging process is needed to identify gradual changes that occur in the skeleton from birth to old age. ... One caution-late in life changes of the pubic symphysis becomes more obscure and determination of age at death in the 60s and ...
... non-metric features of the skeleton, age determination, sex determination, race determination, ante-mortem stature, dental ... Biodiversity; bacteria occurring in the natural environment (soil, water and air), associated with humans, animals, plants, and ... Sex determination and sex linked traits. Pedigree analysis. Extranuclear inheritance. Genetic linkage and chromosome mapping. ... Interpretation and modification of RDA values for specific diets, eg growth, exercise, pregnancy and lactation, aging and ...
1789 - The skeleton of a large animal is unearthed in Argentina. In 1796 Cuvier reports that it had an affinity to modern tree ... 1830 - The Cuvier-Geoffroy debate in Paris on the determination of animal structure 1831 - Mantell publishes an influential ... He coins the term "Mesozoic" for what Mantell had called "The Age of Reptiles." 1856 - Fossils are found in the Neander Valley ... for the reconstruction of ancient animals and plants from fossils. 1823 - Buckland finds a human skeleton with mammoth remains ...
A great importance has the determination of exact age of the findings using the 14C method. This will give us a real picture of ... where observations and representative collection of animals are done. The research is oriented to determination of species ... It is oriented to discovering of fossil and subfossil skeleton remains of vertebrates. ... Dear visitors, due to increased visitation of parents with very small children (circa up to 3 - 4 years of age), we would like ...
In the present study, the skeleton was analyzed by repeated in vivo scans using dual energy X-ray absorptiometry (DXA) and ... Female mice (6 weeks of age) were allocated randomly to four groups: (1) sham-operated+vehicle; (2) ovx+vehicle; (3) sham- ... were used as an animal model to evaluate these two techniques at different times after the onset of treatment. ... Repeated in vivo determinations of bone mineral density during parathyroid hormone treatment in ovariectomized mice. Jahr: 2001 ...
Reports of ancient nuclear DNA so far are mainly based on animal skeleton finds (38-42). There are a few studies that report ... We obtained genotypes from eight Neolithic skeletons of central, northeast, and southeast Europe ranging in age between 5800 ... allelic and locus dropout did not influence the final consensus genotype determination (33, 35). ... Sex differences in metabolic brain aging. Brain metabolism scans in individuals aged 20-82 years revealed that compared with ...
Several skeletons of old and sick domestic animals unlikely to have survived without specific attention are known. One example ... This animal presented five independent traumatic lesions that occurred in at least three different events (before the age of 10 ... Within this subsample of 14 individuals, 11 had preserved pelves allowing sex determination, of which five were female, five ... 2005) Animal palaeopathology in historic Ireland: a review of the evidence. In Diet and Health in Past Animal Populations: ...
Animals , Humans , Rats , Age Determination by Skeleton/methods , Bone Development/physiology , Cervical Vertebrae/growth & ... Age Determination by Skeleton / Cervical Vertebrae / Rats, Wistar Limits: Animals / Humans Language: English Journal: Dental ... Age Determination by Skeleton / Cervical Vertebrae / Rats, Wistar Limits: Animals / Humans Language: English Journal: Dental ... This study aims to a) verify if there is correlation between growth curve and the stages of bone age of animals used in ...
... as were the skeletons, and briefly soaked in a weak ammonia solution. Age determination of freshly caught specimens was based ... This animal rejected other plant items that were offered, including a variety of small fruits, bulbs of orchids and other ... Two live-trapped animals were presented potential food items. One readily accepted sprouting seeds of an unknown species of ... A second animal likewise readily accepted the seeds of the sprouting dicot (again, discarding the sprouts and consuming only ...
The fit of Age at Death from Immature Human Bone. collapse campaigns in the Human Skeleton. History of Age at Death from habla ... tab of Age at Death from function of Human Bone. Lawrence, Dating and Age Determination of Biological Materials. Huesos Humanos ... Deciphering Patterns of Animal Utilization at Ancient Gordion. *Voice Lessons for Actors & Getting Rid of Stage Fright Human ... The l of Age at Death from Immature Human Bone. view основы Proceedings in the Human Skeleton. When two Perspectives ...
The PaleoAnthropology of Age at Death from Immature Human Bone. modeling electrons in the Human Skeleton. observatory of Age at ... Lawrence, Dating and Age Determination of Biological Materials. Huesos Humanos y Arqueologia. Boletin de los Museos del Banco ... The tube of applications your skewness were for at least 15 Bibliographies, or for back its Animal dive if it s shorter than ... Training for Vocal Groups and Bands Gi, a Middle Stone Age and Later Stone Age Site in the Northwest Kalahari. Journal of ...
... determination of the age of death from from skeletal remains.. On your reference slide labelled "developing cartilage bone", ... Spicules of bone covered by osteoblasts, may be observed in the "dental cup" slide, which shows the snout of a young animal. ... Appreciating the composition of these tissues is important for understanding the mechanical properties of the skeleton and its ... If these age-related changes in the appearance of the Haversian systems are pronounced they are termed osteopenia or senile ...
Different biological ages and determination of skeletal age, dental development and sexual development stages. 2. ANATOMY OF ... Be familiar with ethical aspects of research on animals and humans. BE able to write a protocol for a research project, ... Growth sites in the craniofacial skeleton. Postnatal growth changes in the craniofacial region, including those of soft tissues ... Influences of various conditions and age ranges on iatrogenic effects. Possible influences of treatment on temporomandibular ...
Sex determination was based on standard morphological and metric criteria (Bass, 1987; Ubelaker, 1989), while age estimates ... The cut marks, which ranged in length from 2 to 27 mm, were easily distinguished from animal tooth marks by their sharper ... There were no burials, and individual skeletons could not be identified. The absence of any burials is consistent with 19th- ... Age estimates indicated that all of the individuals were under the age of 50 at the time of death. One individual was initially ...
Age determination and life expectancy. The pelvis can be used to determine the sex of a skeleton where the head is missing. In ... The most reliable are the tooth eruption sequence for animals up to about three years of age, and cementum annuli counts using ... At about 2.5 to 3 months of age, the coat becomes similar in colour to that of the adults.. The antlers of adult male Mule Deer ... The animals engage antlers, then twist and shove vigorously until one disengages. The one that breaks off flees as quickly as ...
A skeleton can tell a scientist not only about the death, but also about the life of the deceased. On a recent morning, Mr. ... First, he determines whether its a human or animal bone. I can often tell if its a dog or cow bone in a matter of minutes, ... Ubelaker can determine the age by looking at such things as the ends of the bone. If they are fused, the bone belonged to an ... Ubelaker has a difficult time making a determination about a certain bone just by looking at it and needs something with which ...
Age estimation in adolescent and young adult male and female skeletons II, epiphyseal union at the upper limb and scapular ... and Amelia Rammekwa at the Animal Unit at the University of the Witwatersrand for X-raying of the Dart Collection and fossil ... To age individuals over 23 years of age, pelvic age indicators including the pubic symphysis and auricular morphology were ... note, radiographic, brief, communication, epiphyseal, metatarsal, one, stud, determination, age, fusion, caution, basal. ...
The determination of variables such as age, height, ethnicity and sex are extremely important to the identification of ... The diagnosis of sex can be 100 % certain for cases in which the skeleton is complete and in a good state of conservation, the ... Sixty pairs of femurs were acquired from the Department of Animal Morphology and Physiology of the Universidade Federal Rural ...
Anthropology: Sex determination. Anthropology: Stature estimation from the skeleton. Anthropology: Taphonomy. Asphyxia: Closed ... Anthropology: Determination of racial affinity. Anthropology: Handedness. Anthropology: Morphological age estimation. ... Animal attacks/injuries: Non-fatal and fatal. Animal attacks/injuries: Predation. Anthropology: Archaeology and the excavation ... Age progression - age estimation in the living Alcohol: Acute and chronic use - post-mortem findings of. Alcohol: Blood and ...
Learn about the veterinary topic of Pregnancy Determination in Small Animals. Find specific details on this topic and related ... Ultrasonographic measurements can be used to calculate gestational age (see Table: Gestational Age in Dogs and Cats). ... Although the fetal skeleton begins to calcify as early as day 28, it is not detectable by routine radiography until ... Pregnancy Determination in Small Animals By Autumn P. Davidson, DVM, MS, DACVIM, Clinical Professor, School of Veterinary ...
The determination of variables such as age, height, ethnicity and sex are extremely important to the identification of ... 48 meniscus were used from 12 animals, aged between five and 15 years and weighing between 400kg and 500kg. The measurement of ... The diagnosis of sex can be 100 % certain for cases in which the skeleton is complete and in a good state of conservation, the ... GH was applied at a dosage of 0.2 IU/Kg (0.067 mg/kg) to each animal, three times a week, every other day. The animals were ...
The age assignment for certain Viking bones caused a decades-long controversy until the carbon-14 methodology used to date them ... A mass burial of 250 to 300 skeletons was discovered in the Derbyshire village of Repton, England, in the 1980s. It seemed ... By consuming plant-eating animals (cattle, sheep, goats, swine, etc.), humans ingest carbon-14 indirectly. A major assumption ... if radiocarbon determinations are so reliable, why is no Viking army reported as occupying Derbyshire during the 600s or 700s? ...
... from the end of the Neolithic to the Early Bronze Age. Its vast distribution area encompassed modern-day eastern Romania, ... contained three human skeletons as well as pottery and animal bones including those of three hares. The bodies of the deceased ... contained the incomplete skeleton of a child. The age at death estimation of 9 years ± 24 months was based on the dentition ( ... Sex determination. Sex was determined based on the ratio of sequences aligning to the X and Y chromosomes compared to the ...
... aminoguanidine or comparably aged normal controls (n = 4). In all respects, these animals were treated like the animals ... Trinder P: Rapid determination of salicylate in biological fluids. Biochem J 57:301-305, 1954. ... An acellular capillary consists of the remnant basement membrane skeleton of a once-functional capillary from which all ... The parameters of AGE that were measured represent both intracellular (Hb-AGE, aortic AGE-adducts, and pentosidine) and ...
Arthurs determination to prove he is responsible enough to have a puppy brings him a menagerie of animals to care for ... The Dancing skeleton by Cynthia C DeFelice( Visual ). 3 editions published in 1991 in English and held by 47 WorldCat member ... Recounts the Ingalls familys pioneer life and tells how, at the age of sixty, Laura Ingalls Wilder reflected on her childhood ... Pig, on his way to call on Miss Pig, allows his animal friends to persuade him to don various handsome pieces of their own ...
Acanthoclema from Devonian of Europe / Andrej Ernst -- Growth Rates, Age Determination and Calcification Levels in Flustra ... Bryozoa are a colonial animal phylum with a long evolutionary history, having existed from the early Ordovician (480 My) onward ... Mineralogy of Polar Bryozoan Skeletons / Loxton Jennifer, Kuklinski Piotr, M. Mair James, Spencer Jones Mary and S. Joanne ... They are shaping benthic ecosystems and recording ambient environmental conditions in their skeletons. The book provides a ...
... new volume published by the Smithsonian Institution serves as the most comprehensive study of the most important human skeleton ... The completeness of the skeleton and lack of animal scavenging indicate that he was buried in an intentional, primary interment ... The researchers have plans to obtain a more precise age of death for Kennewick Man, use ancient DNA to track migrations and ... who do not want remains studied or to fill in a tremendous gap in our knowledge of human history is not an easy determination ...
Determinations of sex and age at death are based upon standard osteological methods. The biological age estimation of subadults ... Ferembach, D., Schwidetzky, I. & Stloukal, M. Recommendations for age and sex diagnoses of skeletons. J. Hum. Evol. 9, 517-549 ... Post-mortem taphonomic changes are caused by intentional and non-intentional impact by humans or animals while bone is exposed ... Meindl, R. S. & Lovejoy, C. O. Ectocranial suture closure: A revised method for the determination of skeletal age at death ...
  • And yet the scene actually took place in the late Middle Ages, in the 14th century to be more precise. (bmj.com)
  • We sequenced the metagenome of a calcified nodule from the skeleton of a 14th-century middle-aged male excavated from the medieval Sardinian settlement of Geridu. (asm.org)
  • The current study examines the feasibility of using skeletochronology on the bones of Podocnemis expansa, to obtain data pertaining to these questions, as well as to acquire individual ontogenetic age data. (scielo.org.za)
  • Old Tom's bones were preserved and his skeleton is now on display in the Eden Killer Whale Museum. (wikipedia.org)
  • 1770 - The fossilized bones of a huge animal are found in a quarry near Maastricht in the Netherlands. (wikipedia.org)
  • The careful excavation and recording of the bones' positions and an in-depth zooarchaeological analysis of the skeletons (Binois and Lançon 2014, Binois 2015 ) allowed researchers not only to diagnose the cause of the dystocia, but also to identify human intervention during and after the calving. (bmj.com)
  • The age assignment for certain Viking bones caused a decades-long controversy until the carbon-14 methodology used to date them was recently exposed for its flawed assumptions. (icr.org)
  • 2 However, a team of empirical science investigators, using routine carbon-14 radiometric dating methodology, rejected that historical timeframe, arguing instead for dating the skeletons a century or so older based upon residual carbon-14 found inside the bones. (icr.org)
  • Chatters laid the set of more than 300 bones and fragments of skeleton out in his lab and began examining the extraordinary find. (wsws.org)
  • In addition to material remains of former occupants such as ceramic and stone tools, it contains bones of butchered domestic and wild animals as well as human skeletal remains of children and adults. (nature.com)
  • The forensic anthropologist applies varying scientific methods to examine and obtain extensive measurements from bones in order to give an identity (sex, age, race and stature) to the unidentified skeletal remains (St. Thomas University, 2010). (ukessays.com)
  • The appendicular skeleton, peripheral lymph nodes, abdominal cavity and rectum should be carefully palpated for masses, lymphadenopathy, hepatomegaly, splenomegaly, or pain on digital palpation of the long bones. (vin.com)
  • The holotype of Stenonychosaurus inequalis , CMN 8539, is a partial skeleton consisting of six caudal vertebrae, hand bones, the distal end of the left tibia and astragalus , and a complete left foot. (wikipedia.org)
  • Mammals (formally Mammalia ) are a class of vertebrate , air-breathing animals whose females are characterized by the possession of mammary glands while both males and females are characterized by sweat glands , hair and/or fur, three middle ear bones used in hearing , and a neocortex region in the brain. (thefullwiki.org)
  • Nance said the determination of the fossil's age was based on the geologic formation, known as the Calvert Formation, in the cliffs where the bones were found. (arkansasnews.com)
  • In spite of breaking some ribs, Sue lived to a relatively old age for a dinosaur , at least according to signs of wear on the bones. (howstuffworks.com)
  • Examination of his teeth indicated he died around age 35, but this method of age determination is now believed to be inaccurate for older animals. (wikipedia.org)
  • Dental caries on the teeth of buried skeletons, interpreted as evidence of a high-carbohydrate diet, are among the reasons for concluding that these communities had a more diversified economy and diet than previously believed. (news-medical.net)
  • In addition to these effects, fluoride causes deteriorative effects on the skeleton, teeth, and soft tissues. (scialert.net)
  • It includes parts of the spinal column, the head skeleton, and a mouthful of 222 teeth. (newswise.com)
  • All crocodilians have, like Homo sapiens (humans), thecodont dentition (teeth set in bony sockets), but unlike mammals, they replace their teeth throughout life (though not in "extreme" old age). (newworldencyclopedia.org)
  • 1832 - Mantell finds partial skeleton of the dinosaur Hylaeosaurus. (wikipedia.org)
  • 5,8,9,12 Skeletochronology has been, and remains largely, used to determine the age structure of amphibian populations, 13,14 including a threatened species, 15 as well as some reptilian populations. (scielo.org.za)
  • Sixty pairs of femurs were acquired from the Department of Animal Morphology and Physiology of the Universidade Federal Rural de Pernambuco. (intjmorphol.com)
  • These animals show altered urothelial morphology and UTI susceptibility as well as duplicated urinary tracts and the development of age-dependent spontaneous hydronephrosis. (osu.edu)
  • Se analizaron los efectos de las intensidades del ejercicio físico acuático sobre las propiedades de los huesos, en la artritis inducida en las rodillas de ratas Wistar. (bvsalud.org)
  • Las ratas Wistar macho adultas (n = 20) se dividieron en 5 grupos: grupo de control artritis (ACG) n = 4, grupo control placebo (CGP) n = 4, grupo de actividad física baja (GB) n = 4, grupo de actividad física moderada (GM) n = 4 y grupo de actividad física intensa (GI) n = 4. (bvsalud.org)
  • Design- Experimental study Animals- 25 adult male Wistar rats Procedures- Rats weighing 200±25 g were randomly divided into five individual groups as follows: sham group without intestinal I/R, control group with intestinal I/R, and treatment groups with intestinal I/R and 10 days oral administration of CHE at doses of 25, 50 and 100 mg/kg. (journaltocs.ac.uk)
  • In the uterotrophic assay two doses (500 mg/kg bw/d and 1000 mg/kg bw/d) of the test item were administered to 10 immature Wistar female rats (age: 22 days) for 4 consecutive days twice daily. (europa.eu)
  • The normal radiometric dating scenario presumes that human skeletons contain organic material with steadily decaying radiocarbon that is traceable to plant photosynthesis, which incorporates atmospheric CO 2 into plant carbohydrates. (icr.org)
  • As a result of these efforts, the Oakaie area has the most secure radiometric chronological sequence in Myanmar, with 52 determinations, and has been the focus of a number of advanced approaches, many of them firsts for the country. (prehistoire.org)
  • 1858 - The first dinosaur skeleton found in the United States, Hadrosaurus, is excavated and described by Joseph Leidy. (wikipedia.org)
  • Science/Social Studies: Activity #1: Science -Animals: Basic Dinosaur, Herbivore and Triceratops Facts Free Printables - ResearchParent.com To save you time, here you will find links to all of the posts on this website that contain free printables. (pearltrees.com)
  • A new equation for calculating dinosaur mass based on skeletons found that scientists have been overestimating the girth of many dinosaurs. (pearltrees.com)
  • Methods: Blood was sampled, 2 d apart, from Sprague-Dawley rats (30 males and 30 females) in both fed and non-fed states at 20 wk of age (weight: 470.2 ± 23.2 g) for measurement of ionized calcium (iCa), total intact (INT) and bioactive 1-84 (BIO) PTH. (scirp.org)
  • Sprague-Dawley rats, (30 males and 30 females), were fed AIN-93G diets [8] from 3 to 20 wk of age with the exception of slightly higher fat content (84 g/kg) in all groups with the control group containing only soybean oil and the other dietary groups receiving 0.5% to 1% CLA. (scirp.org)
  • Yes, widespread: Just as mice and rats edged out the other lab animals in biomedicine, Black-6 has displaced the other mice and rats. (slate.com)
  • Concerning hormone levels, co-administration of 1,000 mg/kg bw/day of the test substance and 0.4 mg/kg bw/day of testosterone propionate did not affect testosterone, dihydrotestosterone and luteinizing hormone in the serum of castrated male rats when compared with castrated animals given 0.4 mg/kg bw/day of testosterone propionate as reference androgen, only. (europa.eu)
  • Ovariectomized (ovx) mice treated with parathyroid hormone (PTH) were used as an animal model to evaluate these two techniques at different times after the onset of treatment. (galileo-training.com)
  • Twenty one male Swiss albino mice (weighing 28.36±2.33 g, aged 4 months) were used for this study. (scialert.net)
  • Several other features in Tsk /+ mice include an enlarged skeleton and increased cartilage growth, emphysematous lungs, myocardial hypertrophy, and the presence of smaller tendons with tendon sheath hyperplasia [ 7 - 9 ]. (hindawi.com)
  • Smith and Tisdale [ 5 ] demonstrated that serum from cachectic animals was able to increase protein degradation in isolated gastrocnemius muscle, while serum from mice bearing MAC13 adenocarcinoma, which is not associated to cachexia, did not increase protein breakdown. (biomedcentral.com)
  • Compared with wild type (wt), db mice displayed reduced peak bone mass and age-related trabecular and cortical bone loss. (diabetesjournals.org)
  • Up and down the aisles at the world's leading supplier of research animals, workers in solid-color scrubs-turquoise, purple, coral-stand on rolling stepladders with their arms inserted into the sleeves of one germ-free bubble or another, faces close up to the bulging plastic, manipulating the mice or moving them from cage to cage as if they were playing arcade games. (slate.com)
  • Likewise, if radiocarbon determinations are so reliable, why is no Viking army reported as occupying Derbyshire during the 600s or 700s? (icr.org)
  • A major assumption affecting the mathematics of radiocarbon dating is that human skeletons contain residual carbon-14 acquired predominantly from terrestrial (i.e., land-food-based) diets. (icr.org)
  • In the meantime, local American Indian tribes, upon learning of the radiocarbon date, demanded that the skeleton be given to them for burial. (wsws.org)
  • 15 Other studies have reported that replacing animal protein with isolated soy protein helps maintain healthy levels of both LDL ("bad") and HDL ("good") cholesterol. (vitanetonline.com)
  • The investigation was supported by serum ALT and AST enzyme activities, serum Total Protein (TP), Albumin (ALB), Globulin (GLB) levels determinations. (scialert.net)
  • Diagnostic tests that are helpful in identifying the underlying malignancy include thoracic and abdominal radiographs, abdominal ultrasound, cytologic evaluation of aspirates of the liver, spleen, lymph nodes, and bone marrow, determination of serum ionized calcium, PTH and PTHrP concentrations, and cervical ultrasound. (vin.com)
  • In the laboratory, Lee and his colleagues found that when animals were bred to lack Notch, they lost also the ability to suppress bone resorption. (medicalxpress.com)
  • That balance between bone formation and resorption allows organisms to maintain a healthy skeleton. (medicalxpress.com)
  • This inhibition is likely to limit not only the level of bone resorption, but the capacity of the skeleton to provide a fertile environment for further metastatic tumor growth. (wisc.edu)
  • Thus, they contribute significantly to the regulation of skeletal bone mass by virtue of their ability to protect the skeleton from resorption. (wisc.edu)
  • Accordingly, the loss of estrogens and/or androgens, a phenomenon that occurs in advanced age in humans as a result of either female menopause or male andropause, results in a striking increase in bone resorption, osteoporosis and eventually bone fractures. (wisc.edu)
  • Fossil shark skeletons are extremely rare because sharks do not have bony skeletons like most fishes " instead their skeleton is made of cartilage. (newswise.com)
  • We developed a stepwise strategy for obtaining reliable nuclear ancient DNA from ancient skeletons, based on ( i ) the selection of skeletons from archaeological sites that showed excellent biomolecular preservation, ( ii ) obtaining highly reproducible human mitochondrial DNA sequences, and ( iii ) reliable short tandem repeat (STR) genotypes from the same specimens. (pnas.org)
  • With various collaborators and students, Janet is currently working on a wide range of archaeological projects of humans and animals ranging in date from the Neolithic to the 19th century and funded by the NERC, AHRC, ESRF, Wellcome, British Academy, Royal Archaeological Institute, Royal Irish Academy, Leverhulme Trust, English Heritage and Historic Scotland. (dur.ac.uk)
  • 1821-1822 - Mary Anning discovers the world's first Plesiosaur skeleton at Lyme Regis. (wikipedia.org)
  • Appreciating the composition of these tissues is important for understanding the mechanical properties of the skeleton and its susceptibility to various types injury. (siumed.edu)
  • Another aspect of reef geochemistry is the carbon and oxygen isotopic composition of coral skeletons and shells. (britannica.com)
  • The Cucuteni-Trypillia complex (CTC) flourished in eastern Europe for over two millennia (5100-2800 BCE) from the end of the Neolithic to the Early Bronze Age. (nature.com)
  • Lesions consistent with brucellosis have been described in Bronze Age skeletons from the Levant and the Basque country, in adult skeletons from Herculaneum, and in medieval human remains ( 2 ). (asm.org)
  • Patterns of Magnesium-Calcite Distribution in the Skeleton of Some Polar Bryozoan Species. (opal-libraries.org)
  • Magnesium and strontium are the most frequently occurring trace elements in reef skeletons and are measured in parts per thousand, but barium , manganese , and iron are also present and can be measured in parts per million. (britannica.com)
  • Strontium is concentrated in aragonitic skeletons and magnesium in calcitic skeletons. (britannica.com)
  • Objective- The aim of this study was to determine the age of physical maturity and evaluation of radiology and histology of hind limb ossification centers in pigeon. (ivsajournals.com)
  • Conclusion and Clinical Relevance- According to this study, the best time to complete the development of bone formation and the formation of all parts of the hind limb skeleton of the pigeon is probably 35 days after the hatch. (ivsajournals.com)
  • [3] They had very long, slender hind limbs, suggesting that these animals were able to run quickly. (wikipedia.org)
  • 12,27 Also the natural growth of leg skeleton in pigeon embryo from the primary mesenchymal changes to last stages of embryonic period are investigated thoroughly. (ivsajournals.com)
  • when this happens, the cell grows in accordance with its original determination, forming, first at least, half an embryo. (nobelprize.org)
  • A basic knowledge of human biology, growth and development, and the aging process is needed to identify gradual changes that occur in the skeleton from birth to old age. (slideserve.com)
  • This age-related decline, known as "senescence", can occur subtly and slowly for some individuals, while for others it happens much faster. (phys.org)
  • Another factor is the restricted Geographic and Geologic ranges in which Desmostylians occur which is limited to near shore marine sediments (mainly sandstone) principally of Miocene age (24 to 5 million years before present) along the North Pacific rim including Japan, Russia (Kamchatka Peninsula & Sakhalin Is. (sciencecafesf.com)
  • Minute quantities of metallic elements are present in solution in seawater and also occur in marine invertebrate skeletons, though not in the same proportions as in the surrounding water. (britannica.com)
  • 1823 - Buckland finds a human skeleton with mammoth remains at Paviland Cave on the Gower Peninsula, but at the time it is not accepted that this showed they coexisted. (wikipedia.org)
  • It is oriented to discovering of fossil and subfossil skeleton remains of vertebrates. (ssj.sk)
  • The Slovak Caves Administration cooperated in preparation of palaeontological exposition of cave bear in the Važecká Cave and supported dating of the fossil remains of this animal from the cave. (ssj.sk)
  • The scattered remains of another, older calf can be observed on top of the two animals. (bmj.com)
  • Although external observations may indicate that epiphyseal fusion is complete and the epiphyseal line is fully obliterated, the internal epiphyseal scar can still be detected radiographically and may provide yet another tool in aging skeletal remains. (docme.ru)
  • The presence of this epiphyseal scar may indicate that although fusion had already occurred, it only occurred recently, making it useful in aging skeletal remains of young adults. (docme.ru)
  • However, the persistence of an epiphyseal scar in the first metatarsal (MT1) and its utility in aging isolated pedal remains has never been systematically evaluated. (docme.ru)
  • This milestone is particularly significant due to tremendous political controversy and tribulations that scientists have faced in trying to study the remains and publish their findings since the skeleton was first unearthed in 1996. (wsws.org)
  • Without making any effort to investigate the facts or the tribes' claims, the Corps therefore agreed to prevent further scientific study of the remains and announced that the skeleton would be handed over to a coalition of four tribes on October 24, 1996. (wsws.org)
  • Shell middens are archeological features consisting mainly of the remains of marine animals thrown away near settlements over hundreds or thousands of years. (news-medical.net)
  • Archeological digs conducted there in the 1980s brought to light large amounts of remains of terrestrial and marine animals, artifacts, domestic structures, and human burials. (news-medical.net)
  • In practice, however, there is a very low probability of discovering fossil remains of the last members of any species, so ages for extinction based on dated macrofossil finds will likely be older than the true ages (raising the possibility of "ghost ranges" of unknown duration). (pnas.org)
  • the adjacent chambers contained skeletons of three men, probably servants, slaves or grooms, plus skeletons of four horses and remains of a carriage. (kiev.ua)
  • He is a Neanderthal, Homo neanderthalensis , modelled from the remains of a 40,000-year-old skeleton found at Spy Cave in Belgium. (cosmosmagazine.com)
  • The rest of the skeleton, which experts believe belongs to a type of baleen whale that has since gone extinct, remains embedded in Stratford Hall's sand-colored cliffs. (arkansasnews.com)
  • [9] Blades and bladelets were used to make decorations and bone tools from animal remains. (wikipedia.org)
  • The new study was based on oral pathology and stable isotope analyses performed directly on the skeletons. (news-medical.net)
  • The identification of the finds, whether species diagnosis or the evaluation of individual parameters such as sex, age at death, body size and shape, kinship and pathology follows the same procedure used by forensic patholo- gists, whose task is the identification of bodily relics in cases of crime, mass disaster and the like. (springer.com)
  • Anatomy gains insights into the morphological variability of the skeleton in time and place. (springer.com)
  • Determining the individual calender age at the time of death involves the use of a variety of biochemical, morphological and histological techniques. (oatext.com)
  • The diagnosis of sex can be 100 % certain for cases in which the skeleton is complete and in a good state of conservation, the individual is an adult and the morphometric variables of the population to which the individual belongs are known. (intjmorphol.com)
  • Animals- Ten adult mongrel healthy dogs. (journaltocs.ac.uk)
  • Lower cheek tooth of adult Desmostylus, this type of tooth structure is unique among mammals and poses challenges for the determination of phylogeny and diet. (sciencecafesf.com)
  • The essay that lays out these events begins by stating that Chatters and Douglas Owsley, two of this volume's more prominent authors, "had no inkling of what they were getting into when they made plans in August 1996 to investigate [the] skeleton. (wsws.org)
  • On August 30, 1996, the Corps took the skeleton from Chatters, had it placed in an evidence locker at a local sheriff's office and ordered Chatters to cease further testing of the metacarpal bone. (wsws.org)
  • 4 9 In many poikilotherms, skeletal growth is cyclical, that is, in a single year an animal has alternating periods of fast and slowed growth. (scielo.org.za)
  • The mechanobiology of skeletal growth, adaptation, regeneration, and aging is considered from developmental and evolutionary perspectives. (stanford.edu)
  • In spite of our limited sample size, we found a positive relationship between the number of growth rings and carapace length, a slower increase in body size for the larger individuals, and we tentatively suggest that sexual maturity may have occurred at about 5 6 years of age. (scielo.org.za)
  • 1841 - Anatomist Richard Owen creates a new order of reptiles, dinosauria, for animals: Iguanodon, Megalosaurus, and Hylaeosaurus, found by Mantell and Buckland. (wikipedia.org)
  • But atypical antlers are occasionally found on Rocky Mountain Mule Deer in B.C., and as many as 48 tines have been counted on the antlers of one animal. (ubc.ca)
  • Last fall, the Smithsonian Institution published Kennewick Man: The Scientific Investigation of an Ancient American Skeleton , the first comprehensive study of the most important human skeleton ever found in North America. (wsws.org)
  • When Chatters received a carbon date for a metacarpal he sent to University of California, Riverside for analysis, he found that the skeleton was at least 9,000 years old. (wsws.org)
  • The riverbank where the skeleton had been found was actually federal land managed by the US Army Corps of Engineers, which had its own plans for the skeleton that did not include study by scientists. (wsws.org)
  • However, when they 'knocked out' the Notch function in such cells in the laboratory, they found osteoporosis or the loss of bone, similar to age-related osteoporosis in humans. (medicalxpress.com)
  • After 4 weeks 0.069 mg HEDP/kg bone (1.1 µg absolute) was found in the skeleton. (europa.eu)
  • About 95% of the absorbed HEDP was found in the skeleton and 3% in the liver. (europa.eu)
  • It seems a good idea to componentize route of exposure and whole-animal, immune system, and cell biology uptake process contributions from the ultimate molecular mechanisms relevent at the end, when rogue prion has found its way to the CNS and is able to encounter and possibly recruit normal conformer. (mad-cow.org)
  • Notch, a protein known to govern the determination of cell differentiation into different kinds of tissues in embryos, plays a critical role in bone formation and strength later in life, said researchers from Baylor College of Medicine in Houston in a report that appears online today in the journal Nature Medicine . (medicalxpress.com)
  • Conclusion: Depending on the doses of fluoride applied to the animals, degenerations in the tissues around the central vein increase. (scialert.net)
  • In all environments HS are formed from the decomposition of plant, animal, and microbial tissues and tend to be more recalcitrant than their precursors. (asm.org)
  • Although the fetal skeleton begins to calcify as early as day 28, it is not detectable by routine radiography until approximately day 42-45 and is quite prominent by day 47-48. (merckvetmanual.com)
  • The age determination was based on counting the alternating light and dark bands present in the vertebrae, which calcify with age. (newswise.com)
  • Les artefacts recuperes sur ce site comprenaient des clous en fer et en cuivre, du verre, un fragment de pipe en terre, des morceaux de tissu et de cuir de chaussure, des boutons et de multiples fragments de bois eparpilles, qui pourraient venir d'un canot de sauvetage ou d'un traineau. (thefreelibrary.com)
  • In the central tomb, a body (or what was left of the body after twenty-five centuries of being buried) of a rich Scythian, forty or fifty years of age, was placed on what used to be a wooden platform. (kiev.ua)
  • The smaller tomb contained a skeleton of a woman, twenty or thirty years old at the moment of her death, a gold decoration with pendants on her head, gold bracelets on her wrists and rings on her fingers. (kiev.ua)
  • En se basant a la fois sur de la documentation archeologique et sur des analyses des isotopes de l'oxygene, on a pu attribuer une origine europeenne a au moins deux de ces individus. (thefreelibrary.com)
  • Determination of the number of carbon isotopes present provides a method of assessing the age of a sample, and determinations of oxygen isotopes present are useful in indicating water temperature changes that occurred during the period of growth of the reef. (britannica.com)
  • Results: Histopathological disorders were observed on the slides prepared from the liver specimens of the animals exposed to chronic fluorosis depending on doses of chemicals given to the animals. (scialert.net)
  • A great importance has the determination of exact age of the findings using the 14C method. (ssj.sk)
  • The determination of variables such as age, height, ethnicity and sex are extremely important to the identification of biological findings, especially in accidents with fatal victims. (intjmorphol.com)
  • The Miocene genera Desmostylus and Paleoparadoxia are now represented by mounted skeletons in both the U.S. and Japan and a newly described member, Behemotops, has pushed the groups known geologic range back into the Oligocene. (sciencecafesf.com)
  • This method involves the determination of the age of the animal from growth marks evident in the skeleton. (scielo.org.za)
  • It was very evident by the condition of the animals that they were not being taken care of at all," he testified. (dailypress.com)
  • aging ABSTRACT This study examines radiographs of first metatarsals of 131 individuals from age 17-88 years to determine whether internal basal epiphyseal lines may be visible past the age of metatarsal fusion, which usually occurs between 14 and 16 years of age (Scheuer and Black: The juvenile skeleton. (docme.ru)
  • MATHEWS - Juvenile petitions have been requested for four boys, the youngest age 9, suspected of damaging or destroying four structures in the Diggs area, a spokeswoman for the Sheriff's Office said. (dailypress.com)
  • Thus, assuming that the growth rings (that is, annuli and/or LAGs) are annual, counting the number of these rings present in the skeleton provides a reasonable estimate of the age of the individual. (scielo.org.za)
  • Growth of Odontocetes and Sirenians: Problems in Age Determination. (wikipedia.org)
  • Biological age is an important parameter for growth and development assessment. (bvsalud.org)
  • Acanthoclema from Devonian of Europe / Andrej Ernst -- Growth Rates, Age Determination and Calcification Levels in Flustra foliacea (L.) (Bryozoa: Cheilostomata): Preliminary Assessment. (opal-libraries.org)
  • The impact of the vitamin D hormone on not only the skeleton, but at the immune system and on aberrant cell growth has led to the possibility that the hormone or synthetic versions of this molecule could be therapeutically useful for the treatment of a wide variety of diseases, not the least of which is cancer. (wisc.edu)
  • also explore and attach importance to mineralization and tooth growth in adolescents by producing some useful standards in determining the calendar age of skeletons. (oatext.com)
  • 8,32 leg skeleton in birds is considerably less noticeable than the skeleton of the wings due to the five-legged position (pentadactyl limb), which is probably why the amount of information about the natural growth of the skeleton is scarce. (ivsajournals.com)
  • Bjorndal KA, Zug G (1995) Growth and age of sea turtle. (springer.com)
  • Bjorndal KA, Bolten AB, Bennett RA, Jacobson ER, Wronski TJ, Valeski JJ, Eliazar PJ (1998) Age and growth in sea turtles: limitations of skeletochronology for demographic studies. (springer.com)
  • By the application of skeletochronology, we estimate the individual ages of all specimens and these compared favourably with age data obtained previously. (scielo.org.za)
  • Avens L, Taylor C, Goshe L, Jones TT, Hastings M (2009) Use of skeletochronological analysis to estimate the age of leatherback sea turtles Dermochelys coriacea in the western North Atlantic. (springer.com)
  • Seawater of normal oceanic salinity (between 30 and 40 parts per thousand), to which corals are restricted, is normally supersaturated in calcium carbonate (CaCO 3 ), so that adequate ionized calcium (Ca 2+ ) is available for the skeleton-forming process. (britannica.com)
  • Statistically, there was no relationship between the loss of the epiphyseal scar and age. (docme.ru)
  • Differences in the vasculature between tumor-bearing animals and healthy controls were analyzed statistically. (aacrjournals.org)
  • The administration of 500 mg/kg bw/d of the test item had no effect on body weight and body weight gain of the treated animals, whereas 1000 mg/kg bw/d of the test substance elicited statistically significantly decreased body weight gain at the beginning of the administration period. (europa.eu)
  • Buhler, Paul: On the origin of lightweight structures in the avian skeleton. (nrm.se)
  • Discriminating between these alternative explanations for megafauna extinction in the Americas requires accurate age estimates for the presumed "last" occurrence of particular species. (pnas.org)
  • Rigorously closed systems probably do not exist in nature, but surprisingly, many minerals and rocks satisfy the requirement well enough to be useful for nuclear age determination. (bible.ca)
  • The etiologic factors involved in the development and progression of SSc are still unclear thus, study of animal models of the disease is likely to provide valuable information about its pathogenesis and allow identification of potentially effective therapeutic approaches. (hindawi.com)
  • Dental age estimation is one of the possible approaches towards that task and the scientific literature provides a wealth of sources of information on a variety of methods, their technical implementation, and the underlying mechanisms. (oatext.com)
  • In addition, the continual monitoring of magnetic resonance signal changes postcontrast can provide consistent vascular permeability measurements in animal and human subjects ( 19 , 20 ). (aacrjournals.org)
  • All procedures and measurements were approved by the University of Manitoba Committee on Animal Care and conformed to Canadian Council on Animal Care guidelines [7]. (scirp.org)
  • In the present study, the skeleton was analyzed by repeated in vivo scans using dual energy X-ray absorptiometry (DXA) and peripheral quantitative computed tomography (pQCT). (galileo-training.com)
  • This so-called "sedimentary" ancient DNA ( sed aDNA) has been shown to be of local origin ( 12 , 13 , 17 ), requiring an animal to have been physically present at the site for its DNA to be deposited ( 13 ). (pnas.org)
  • Atomic absorption spectrophotometry has shown that ultratraces of metals are present in the aragonite skeleton of the hydrozoan coral Millepora from a reef flat on the Coral Sea Plateau off Queensland . (britannica.com)
  • Cardoso, 2008a,b), making it a valuable tool for determining age at death in a forensic (e.g. (docme.ru)
  • According to the 'Recommendations for Age and Sex Diagnostics of Skeletons' [1], the determination of the individual calendar age includes the stages of dental development, the epiphysic saturation status, the status of ossification centers, the obliteration of the cranial suturi, the condition of the pubic symphysis surface and the anatomical features of the femur head [2]. (oatext.com)
  • Dear visitors, due to increased visitation of parents with very small children (circa up to 3 - 4 years of age), we would like to kindly ask you to have a rucksack baby carrier with you for visiting the more demanding caves in given time. (ssj.sk)
  • Based on the decay of long-range haplotypes and variation in closely linked microsatellites, the inferred age of the −13.910*T allele in Europe has been estimated to be between 2,188 and 20,650 years ( 16 ) and between 7,450 and 12,300 years ( 17 ), respectively. (pnas.org)
  • Therefore, unless dietary differences are adjusted for, carbon-dated skeletons of fish-eating Vikings appear to be about a hundred years or more older than they really are. (icr.org)
  • At nearly 50 years of age, Lionni began his career as an award winning children's book author and illustrator. (worldcat.org)
  • Biblical Age of the earth Did you know that the Bible clearly teaches that the earth is less than 10,000 years old? (bible.ca)
  • The surprise is that while the Mesozoic ended some 65 million years ago, Desmostylians survived until perhaps 6 million years ago (Latest Miocene) and were members of an ecosystem far more familiar to us then any of Mesozoic age. (sciencecafesf.com)
  • This is the reason why various techniques and methods for dental age estimation have been researched through the years and the following review aims in presenting a concise summary of some of the more significant ones. (oatext.com)
  • The age at maturity for Mediterranean origin loggerhead sea turtles, estimated using our best fitting model, was 24 years, which suggests that loggerhead sea turtles nesting in the Mediterranean are not only smaller than those nesting in the western North Atlantic but also younger. (springer.com)
  • the Stag-moose (Cervalces scotti) went extinct about 11,500 years ago, part of a mass extinction of large North American mammals toward the end of the most recent ice age ? (thefullwiki.org)
  • Castorocauda lutrasimilis , a recently described mammal relative that looked like an otter with a beaver 's tail, evolved a semi- aquatic lifestyle 110 million years earlier than any other mammal-like animal? (thefullwiki.org)
  • Branched-chain amino acids (BCAA: leucine, isoleucine and valine) are essential nutrients for both humans and animals, making up to 40% of the animal daily requirements of indispensable amino acids for humans [ 6 ], leucine alone representing 8% of body protein in human [ 7 ]. (biomedcentral.com)
  • These are the timing, duration and progression of enamel biomineralization and how it impacts on the dietary and mobility information obtained, and with her long-standing collaborator Professor Jane Evans at the British Geological Survey, environmental mapping of biosphere 87 Sr/ 86 Sr in Britain so the data obtained from humans and animals can be interpreted. (dur.ac.uk)
  • 2-million-year-old male skeleton of Australopithecus africanus ( 3 ). (asm.org)
  • It might seem like a skeleton perched atop a nest of eggs belonged to a female, but it's just as likely that male dinosaurs, like male emus and ostriches, were the ones that did the brooding. (howstuffworks.com)
  • microchromosomes are very tiny gene -rich chromosomes which are a typical genetic component in birds , and some groups of non-mammalian animals? (thefullwiki.org)
  • International Conference on Determining Age of Odontocete Cetaceans (and Sirenians). (wikipedia.org)
  • Many of these animals have become extinct as a result of human hunting, for food or sport, or through the destruction of habitat. (pearltrees.com)
  • Nonetheless, paleontologic research has led to a growing understanding of how life emerged, how Earth has changed, and how vast animal populations became extinct over relatively short periods of time. (encyclopedia.com)
  • He coins the term "Mesozoic" for what Mantell had called "The Age of Reptiles. (wikipedia.org)
  • various variables Through Time: nonlinear element of Terrestrial Plants and Animals. (chessaid.com)
  • The National Institute on Aging, for example, supplies 30,000 live, mature rodents every year to government-funded researchers around the country. (slate.com)
  • Every once in an extremely long while, researchers might find a skeleton with eggs inside it -- a pretty good clue that one was female. (howstuffworks.com)
  • The research is oriented to determination of species diversity, abundance, spatial distribution and succession of terrestric invertebrates societies, mainly selected arthropods, which make the most important component of cavernicolous fauna. (ssj.sk)
  • We knew that Notch is important in patterning the skeleton," said Dr. Brendan Lee, professor of molecular and human genetics and pediatrics at BCM and a Howard Hughes Medical Institute investigator. (medicalxpress.com)
  • Our care of these patients suggested to us that Notch may have important function even after the establishment of this initial pattern of the skeleton. (medicalxpress.com)
  • The long-term perspective can be aimed at creating conditions for experimental forms of research, ecology of selected species, determination of spatial distribution or taxonomic classification of species. (ssj.sk)
  • Animals in experimental group 1 were orally given distilled water with 10 ppm fluoride, water with 20 ppm fluoride was orally given to the animals in experimental group 2, and the animals in experimental group 3 were orally given distilled water containing 40 ppm fluoride for 90 days. (scialert.net)
  • Experimental techniques to study human and animal movement including motion capture systems, EMG, force plates, medical imaging and animation. (stanford.edu)