The volumetric method of convex hulling has recently been put forward as a mass prediction technique for fossil vertebrates. Convex hulling involves the calculation of minimum convex hull volumes (volCH) from the complete mounted skeletons of modern museum specimens, which are subsequently regressed against body mass (Mb) to derive predictive equations for extinct species. The convex hulling technique has recently been applied to estimate body mass in giant sauropods and fossil ratites, however the biomechanical signal contained within volCH has remained unclear. Specifically, when volCH scaling departs from isometry in a group of vertebrates, how might this be interpreted? Here we derive predictive equations for primates, non-primate mammals and birds and compare the scaling behaviour of Mb to volCH between groups. We find predictive equations to be characterised by extremely high correlation coefficients (r2 = 0.97-0.99) and low mean percentage prediction error (11-20%). Results suggest non-primate
Wild primate populations, an unexplored source of information regarding emerging infectious disease, may hold valuable clues to the origins and evolution of some important pathogens. Primates can act as reservoirs for human pathogens. As members of biologically diverse habitats, they serve as sentinels for surveillance of emerging pathogens and provide models for basic research on natural transmission dynamics. Since emerging infectious diseases also pose serious threats to endangered and threatened primate species, studies of these diseases in primate populations can benefit conservation efforts and may provide the missing link between laboratory studies and the well-recognized needs of early disease detection, identification, and surveillance ...
Maintenant disponible sur AbeBooks.fr - Frais de port gratuits - ISBN: 9780387303352 - Hardback - Springer-Verlag New York Inc., United States - 2006 - Etat du livre : New - 2007 ed.. - Language: English . Brand New Book. This book provides a novel focus on adaptive explanations for cranial and postcranial features and functional complexes, socioecological systems, life history patterns, etc. in early primates. It further offers a detailed rendering of the phylogenetic affinities of such basal taxa to later primate clades as well as to other early/recent mammalian orders. In addition to the strictly paleontological or systemic questions regarding Primate Origins, the editors concentrate on the adaptive significance of primate characteristics. Thus, the book provides the broadest possible perspective on early primate phylogeny and the adaptive uniqueness of the Order Primates.
The 2012 Primate Symposium focussed on ?Challenges in Nonhuman Primate examine within the twenty first Century?. The huge participation and the vigorous discussions throughout the symposium underlined the timeliness and significance of this subject. professional audio system lined 4 significant subject matters, i.e. biosimilars improvement: regulatory implications, key issues and subsequent steps, optimizing nonhuman primate use in nonclinical defense evaluate, tendencies in nonhuman primate developmental & reproductive toxicology (DART) and juvenile toxicity review, and relevance and value of nonhuman primate types in regulatory toxicology. the advance of biosimilar has taken up pace significantly and in the meantime has to be thought of a significant component of power drug improvement, but there are nonetheless a few uncertainties und guidance are less than improvement. With the elevated specialise in biopharmaceuticals and the linked bring up for utilizing nonhuman primates being the correct ...
Not much going on out here in the Sacto Valley, location of UC Davis Primate Research Center and School of Comparative Medicine (located @ intersection County Road 98 & Hutchinson). Apparently the enlightened scientists at UCD Primate Research still believe that they are able to discover medical treatments by subjecting rhesus macaques and other primates and/or monkeys to bizarre and cruel animal experimentation claimed to benefit humans. Though humans are also primates, we are not identical in physiology and therefore primate testing will not always produce accurate results. This discrepency often comes out after the novel pharma product is released to the consumer market. Meanwhile the primates obtained for research are often hijacked from their native rainforest homes by economically disadvantaged gangs of poachers ...
This study models, for the first time, digit movement during precision grasping and manipulation in a broad sample of humans, non-human primates and fossil hominins. Our kinematic thumb-index finger model allows one to assess tip-to-tip precision manipulation potential from the bony morphology of associated hand skeletons. This model is largely based (by necessity of available data) on human kinematics, and thus likely provides the most realistic estimate of digit movement in humans and fossil hominins, while perhaps overestimating or underestimating precision grip potential in non-human primates (see Material and methods). Although the model incorporates variation in thumb mobility (e.g. opposable versus pseudo-opposable thumbs), it does not incorporate the complexity of additional planes of motion (e.g. abduction-adduction), muscle and tendon function, or neurological and myological couplings across segments or digits as these data are unknown for the vast majority of extant primates and are ...
The Ancestral Primate Karyotype. Because chromosomal homology maps between human and approx 30 nonprimate mammals and more than 50 primates have been established, the data set available provides a firm basis on which proposals for common ancestral mammalian chromosomal traits and shared derived primate-specific chromosome forms can be made. For the sake of clarity and simplicity, in the following sections chromosomes are always numbered according to their human homologous counterparts.. When comparing the karyotypes of species from different placental mammalian orders, a surprisingly high degree of conservation can be observed for the majority of species. The homologs of human autosomes 1, 5, 6, 9, 11, 13, 17, 18, and 20 are found conserved as separate entities in several different orders and are therefore assumed to represent ancestral mammalian chromosome forms. In addition, human chromosome 3, 4, 14, 15, and 21 homologs are entirely conserved in other mammalian orders, however, translocated. ...
Being social is a striking feature of primates, and perhaps the most important in terms of meeting their needs".. Code of Practice for the Welfare of Privately Kept Non-Human Primates, DEFRA 2009. Primates are highly social animals - keeping them alone is inhumane. Human company is in no way a replacement for living with other compatible primates of their own kind.. ...
28) The bow is a sign of submission that indicates to the animal receiving it that he or she is dominant. Most primate groups have a dominance hierarchy. Lower ranking animals can avoid fights with higher ranking animals by performing a formal sign of submission, such as a bow, when tensions are high ...
Following the publication of the Weatherall report on the use of non-human primates in research, this paper reflects on how to provide appropriate and ethical models for research beneficial to humankind. Two of the main justifications for the use of non-human primates in biomedical research are analysed. These are the "least-harm/greatest-good" argument and the "capacity" argument. This paper argues that these are equally applicable when considering whether humans are appropriate subjects of biomedical research. ...
About 60 percent of the more than 500 known primate species face an extinction threat and more than three-fourths of them are on the decline, due to loss of habitat, hunting and disease. Large chunks of the worlds forests are succumbing to agriculture, mining and logging, bringing people, primates, pets and livestock into closer proximity. That juxtaposition sets the stage for more pathogens to jump between humans and our closest relatives. More than 20 percent of wild primate species harbor parasites capable of spilling over into humans. HIV, Ebola, yellow fever and respiratory viruses are examples of viruses shared by humans and wild primates ...
About 60 percent of the more than 500 known primate species face an extinction threat and more than three-fourths of them are on the decline, due to loss of habitat, hunting and disease. Large chunks of the worlds forests are succumbing to agriculture, mining and logging, bringing people, primates, pets and livestock into closer proximity. That juxtaposition sets the stage for more pathogens to jump between humans and our closest relatives. More than 20 percent of wild primate species harbor parasites capable of spilling over into humans. HIV, Ebola, yellow fever and respiratory viruses are examples of viruses shared by humans and wild primates ...
About 60 percent of the more than 500 known primate species face an extinction threat and more than three-fourths of them are on the decline, due to loss of habitat, hunting and disease. Large chunks of the worlds forests are succumbing to agriculture, mining and logging, bringing people, primates, pets and livestock into closer proximity. That juxtaposition sets the stage for more pathogens to jump between humans and our closest relatives. More than 20 percent of wild primate species harbor parasites capable of spilling over into humans. HIV, Ebola, yellow fever and respiratory viruses are examples of viruses shared by humans and wild primates ...
About 60 percent of the more than 500 known primate species face an extinction threat and more than three-fourths of them are on the decline, due to loss of habitat, hunting and disease. Large chunks of the worlds forests are succumbing to agriculture, mining and logging, bringing people, primates, pets and livestock into closer proximity. That juxtaposition sets the stage for more pathogens to jump between humans and our closest relatives. More than 20 percent of wild primate species harbor parasites capable of spilling over into humans. HIV, Ebola, yellow fever and respiratory viruses are examples of viruses shared by humans and wild primates ...
Nonhuman primates are essential experimental models for research dealing with trophic factors, particularly regarding the effects of these factors on higher cognitive functions, including memory....
EFFECTS OF HIGH LEVELS OF FATS RICH IN ERUCIC-ACID (FROM RAPESEED OIL) OR CETOLEIC AND CETELAIDIC ACIDS (FROM PARTIALLY HYDROGENATED FISH OIL) IN A SHORT-TERM STUDY IN A NON-HUMAN PRIMATE SPECIES .2. ...
By Ivan Crab. During recent years, the feeding of PRIMATES has undergone significant changes, as more has been discovered about their nutritional needs. The pets market of today provide different "monkey pellets" , pelleted diets they are usually well balanced but they can not by given at the expense of a varied diet.. It is no coincidence that when breeding began in earnest during the 1950s, it was the OLD WORLD species which reproduced most successfully in collections. This is because MONKEYS such as the MACACA species were best-suited to thrive and breed on a diet composed of little more than vegetables and fruits.. The needs of other species are more complex. Certainly in captivity they thrive when offered a diet which contains a relatively high proportion of vegetables and fruit.. Although it may be possible to maintain primates satisfactorily on a suboptimal diet, the likelihood of reproductive success is greatly reduced as a result.. The gum-feeding primates, notably the cebuella , are ...
The genetic distances among primate lineages estimated from orthologous noncoding nucleotide sequences of β-type globin loci and their flanking and intergenic DNA agree closely with the distances (del
This book updates, summarizes and synthesizes past and current research regarding the origin of the Order Primates. When did Primates arise? To what group
Primates Essay, Research Paper Since the beginning of time, man has evolved through primate evolution. Each primate has acquired different characteristics over a period of millions of years. The ecosystem has experienced an enormous change in this phase. Most major changes have occurred due to the phenomenon of continental drift.
Using computer algorithms to analyse the 3-D digital shape of each tiny bone, they were surprised to find Donrussellias ankle was not like those of other primates, but more similar to those of tree shrews and other non primate species.. The researchers also found the animal did not just clamber or scurry along small branches, where it could reach flowers, fruits and insects.. Instead, it may have been able to bound between trunks and branches, using its grasping feet on landing.. Prof Boyer said, contrary to what many scientists thought, the first primates may have evolved their acrobatic leaping skills first.. The anatomical changes that allowed them to cling to slender branch tips and creep from tree to tree came later.. Explained Prof Boyer: "Being able to jump from one tree to another might have been important, especially if there were ground predators around waiting to snag them.". Many biologists have argued the common ancestor of all primates was a small animal that scampered along thin ...
langelgjm sends in an update to a story we discussed over the weekend about an extremely well-preserved fossil of an ancient primate, Darwinius masillae, that sheds light on an important area of evolution. The 47 million-year-old specimen has now been officially unveiled, and while many media outlet...
Primates are so similar to people genetically (up to 98%) that they can show us how diseases work in the human body, in ways no other animal, computer or cell culture can. Primates are a bridge between smaller animals and people.. Download the brochure. ...
Primate - Reproductive system: The functions of the individual organs of reproductive systems are fairly uniform throughout the primates, but, in spite of this physiological homology, there is a remarkable degree of variation in minor detail of organs between groups-particularly in the external genitalia, which, by their variation, provide a morphological basis for the reproductive isolation of the species. There could be no more effective barrier to mating between different species than incompatibility of the male and female sex organs. Among the characteristics of the primate order as listed by the 19th-century zoologist George Mivart, the penis is described as
...DURHAM N.C. -- Some primates have evolved big brains because their ex...The four investigators compared key benchmarks in the development of 2... This research focused specifically on the balance between the costs a... Growth rates are much slower in large-brained organisms and that cau...,Slowly-developing,primates,definitely,not,dim-witted,biological,biology news articles,biology news today,latest biology news,current biology news,biology newsletters
Plas-Labs has been a leading manufacturer of primate chairs for over 35 years. All of our chairs have been developed, tested, and refined in some of the worlds leading research facilities.. Each chair has been developed specifically for a particular species and its physiological structure.. Our chairs offer increased portability, speed of handling, and safety for both the handler and your valuable primate. A choice of two seat styles offers increased comfort in a more natural position for the primate.. These chairs are useful for acute or chronic studies. Rolling support carts enable the researcher to chair the animal in the housing area and safely move it to the lab.. The pole and collar retrofit package easily mounts on all Plas Labs chairs.. We offer custom fabrication services to manufacture chairs of your own design.. ...
The future of them all is in the hands of one primate..... us. Chris Packham BBCs natural history unit recently aired a three part series exploring the world of our closest living relatives, the Primate order, so rightly names Primates. Despite only being three hour long episodes the series presenting breathtaking, and in some places…
A flood of comparative genomic data is resulting in the identification of human lineage-specific (HLS) sequences. As apes are our closest evolutionary relatives, transgenic introduction of HLS sequences into these species has the greatest potential to produce humanized phenotypes and also to illuminate the functions of these sequences. We argue that such transgenic apes would also be more likely than other species to experience harm from such research, which renders such studies ethically unacceptable in apes and justifies regulatory barriers between these species and other non-human primates for HLS transgenic research. ...
Milligan, Lauren A.; Rapoport, Stanley I.; Cranfield, Michael R.; Dittus, Wolfgang P. J.; Glander, Kenneth E.; Oftedal, Olav T.; Power, Michael L.; Whittier, Christopher A.; Bazinet, Richard P. ...
www.MOLUNA.de Multisensory Object Perception in the Primate Brain [4175843] - It should come as no surprise to those interested in sensory processes that its research history is among the longest and richest of the many systematic efforts to understand how our bodies function. The continuing obsession with sensory systems is as much a re?ection of the fundamental need to understand
MONKEYS and apes that most often deceive their peers also have the biggest brains relative to their body size. The finding backs the "Machiavellian intelligence" theory, which suggests that the evolution of large primate brains was driven by the benefits of complex social skills.. Of all terrestrial mammals, primates have by far the largest brains relative to their body size, with humans having the largest of all. The enlargement is almost exclusively in the neocortex, which in humans makes up more than 80 per cent of brain mass.. Psychologists Richard Byrne and Nadia Corp at St Andrews University in the …. ...
SELECTED PUBLICATIONS M. Trizzino*, Y. Park*, M. Holsbach-Beltrame, K. Aracena, K.Mika, M. Caliskan G. Perry, V. Lynch and C.D. Brown. (2017). Transposable element are the primary source of novelty in the primate gene regulation. Genome Research doi:10.1101/gr.218149.116 S. Sabatelli, P. Audisio, G. Antonini, E. Solano, A. Martinoli and M. Trizzino 2016. Molecular ecology and phylogenetics of the…
Researchers have mapped primate gene expression throughout the day and discovered that the majority of critical gene activity is time dependent, which may aid the development of new treatments for many diseases.
The cerebral cortex of primates is classically subdivided topographically into lobes and gyri, on the basis of sulcal landmarks. In functional models it is subdivided into regions and areas of neocortex and allocortex on the basis of internal architecture ( Stephan-1975 ). While primates and rodents share almost no topographic landmarks, most of the architectonic areas of the rodent brain have equivalents in the primate brain. A number of architectonically defined areas of the primate brain, however, have no equivalent in the rodent. Those include particularly areas in prefrontal cortex and at the junction of the parietal lobe, temporal lobe, and occipital lobe of the primate. ...
The cerebral cortex of primates is classically subdivided topographically into lobes and gyri, on the basis of sulcal landmarks. In functional models it is subdivided into regions and areas of neocortex and allocortex on the basis of internal architecture ( Stephan-1975 ). While primates and rodents share almost no topographic landmarks, most of the architectonic areas of the rodent brain have equivalents in the primate brain. A number of architectonically defined areas of the primate brain, however, have no equivalent in the rodent. Those include particularly areas in prefrontal cortex and at the junction of the parietal lobe, temporal lobe, and occipital lobe of the primate. ...
Researchers found that a virus-fighting protein may have helped speed up evolution. Evolution has always been known as a gradual process but the findings of the new study suggest otherwise.
Amid growing tension and controversy over animal research, and experimentation involving nonhuman primates (NHPs) in particular, one salient point is avoided by all but a small number of people working hard to address it: Does it actually work?
Screen grab of an interactive map, available via Shinyapps, that shows geographic ranges of primates that are undetected Zika reservoirs. Ranges are color-coded
Finally! Equal time for primates. After years of listening to people talk about what it means to be human, someone finally gets to the root of the problem and asks What does it mean to be a primate? In fact, bunches of people are going to try and answer the question. On Saturday, November 1st…
Charlie Saeger demonstrates the inner workings of Context-Adjusted Defense v3.0. Zero Clint Eastwood references.. Recently, I received an e-mail from someone wanting an explanation of how Context-Adjusted Defense works for the math-impaired. I figured it would make a good article, so Im writing it as an article.. The principle behind CAD is that a fielders contribution to his teams fielding will, in some way, show up on the scoreboard. However, his context (mostly pitching staff, but also ballpark) will alter just how we see his contribution in the final stat line. Therefore, we must use known principles of fielding as a machete to slash through the weeds that surround traditional defensive statistics.. Something important-I believe that, at their core, traditional fielding stats are mostly valid. All other things being equal, a shortstop who recorded 527 assists is a better shortstop who only recorded 436 assists. Some statistics are not valid, and we should know which ones they are to keep ...
The rating at shortstop equals aaA6, multiplied by the regression-calculated weight in runs for each aaA6, adjusted so that the rating is +/- the league average runs-saved rating at shortstop.. In the case of pitchers, the formulas work for their individual stats, with one exception described in Part I.D.1. In the case of fielders, an individual?s rating at such position is based upon the team rating at that position, pro-rated for his innings fielded, and adjusted up or down for his rate of plays made relative to the team rate of plays made at that position.. All of the ratings add up to the DRA estimate of runs allowed by the team. As mentioned in the Introduction, the standard error of such estimate in the 1974-2001 sample is less than that for any system for rating team offense of which I am aware.. B. A Little Bit of Theory. A (relatively) brief discussion of the basic theory behind regression analysis and how regression analysis has been applied to evaluate run scoring may help ...
Responsible research with monkeys and other non-human primates has led to historic medical breakthroughs saving millions of lives.
60) Macaques live in groups that include multiple adult males as well as many adult females and youngsters. The social system of the rhesus macaque from India has been extensively studied by scientists. In rhesus troops, females generally stay in the group where they are born, while males migrate to a new group ...
After another monkey death was reported at Primate Products, a national watchdog group is calling on the U.S. Department of Agriculture to revoke...
The discovery of marmoset vocal variations indicates primate language may be more complicated than previously thought, according to a new study.
The primates have run amok! While the vast majority of Homestead, Fla., is going without water and other necessities, theyve got plenty of baboons. They...
News surrounding the first primate clones is mostly positive and focused on the furthering of future research, but itll also perpetuate animal abuse.
മനുഷ്യനും കുരങ്ങുകളും തുടങ്ങിയ സസ്തനികൾ ഉൾപ്പെടുന്ന ഗോത്രമാണ് പ്രൈമേറ്റ് ഗോത്രം(Primate (pronounced /ˈpraɪmeɪt/ ലത്തീൻ: "പ്രധാനപ്പെട്ട, ഒന്നാമത്തെ"[2]), ലീമറുകൾ, ടാർസിയർ എന്നിവ ഉൾക്കൊള്ളുന്ന പ്രോസിമിയനുകൾ കുരങ്ങുകളും ആൾക്കുരങ്ങുകളും ഉൾപ്പെടുന്ന സിമിയനുകൾ [3] എന്നിവ ഉൾക്കൊള്ളുന്ന ഈ ഗോത്രത്തിൽ മനുഷ്യനെ ഒഴിച്ചുനിർത്തിയാൽ മിക്കവാറും എല്ലാ പ്രൈമേറ്റുകളും അമേരിക്കൻ വൻകരകൾ, ആഫ്രിക്ക, ഏഷ്യ ...
Before we can discuss the minutiae of the genetics of the human race, we need to ask whether our race is indeed human or simply highly evolved primates.. ...
Before we can discuss the minutiae of the genetics of the human race, we need to ask whether our race is indeed human or simply highly evolved primates.. ...