Sentences with phrase «of vertebrate animals»

Finally, «soup bones» include collagen, a protein found in connective tissue of vertebrate animals, which is abundant in bone, marrow, cartilage, tendons, and ligaments.

The thyroid is an endocrine gland found in the neck of vertebrate animals, including humans.

2) Facility license for experimental utilization and care of vertebrate animals in research and training (mandatory for all experimental manipulations requiring anaesthesia).

Furthermore, the animal experimentation follows the European Convention for the protection of vertebrate animals used for experimental and other scientific purposes (ETS No. 123) with its appendix A. All animal experiments are and will be carried out in full accordance with the Law and the Decree, which state that the work with animals is carried out only under specific authorizations that include licenses for the personnel, housing of the animals, and also individual experiments.

In their current studies, the Salk scientists sought to determine if vitamin A, linked to a variety of developmental disorders, played a role in left - right orientation among a variety of vertebrate animals.

The peripheral nervous system of vertebrate animals includes three kinds of nerve cells: sensory neurons, which transmit impulses from sensory receptor structures to the brain; motor neurons, which innervate the striated, or skeletal, muscles, and autonomic neurons, which regulate the functional activity of the circulatory system, the organs, the glands and the smooth muscles (such as those of the intestine).

To investigate when the mammalian elements that turn cones to rods might have originated, the researchers reviewed genomic sequences from a variety of vertebrate animals.

A new study reveals that this process may have evolved long ago, as it shows that embryos from an ancient spider develop just like those of vertebrate animals.

The nervous system of vertebrate animals is often divided into the central nervous system (CNS) and the peripheral nervous system (PNS).

When fighting diseases, ant colonies show a remarkable similarity with the immune system that protects the organism of vertebrate animals.

Jaws and teeth have been important innovations in the evolution of vertebrate animals.

More than 98 % of vertebrate animals have jaws.

The mammals are the class of vertebrate animals characterized by the production of milk in females for the nourishment of young, from mammary glands present on most species and specialized skin glands in monotremes that seep or ooze milk; the presence of hair or fur; specialized teeth; three minute bones within the ear; the presence of a neocortex region in the brain; and endothermic or «warm - blooded» bodies.

Hughes's winning research proposed using microarray techniques to compare the genomes of a variety of vertebrate animals to test for common regulatory elements that determine gene expression.

A report published in March in the journal Trends in Genetics revealed that the lizardlike native of New Zealand has undergone the fastest rate of molecular evolution of any vertebrate animal studied thus far.

«Branchial rays will figure prominently in the story of the evolutionary origin of vertebrate animal appendages, either by shedding light on the evolutionary antecedent of paired fins / limbs, or by teaching us about the genetic mechanisms that animals can use to invent new appendages,» Gillis says.

Not exact matches

The Bible said not all species of animals but all kinds of animals, and not all animals, only land vertebrates.

In a little lesser degree the behavior of lower vertebrates allows the conclusion that these animals have sensations, feelings and memory.

We are swimming, along with every other vertebrate, in the sea of the Animal Kingdom.

There is no such «direct» evolution: animals, bacteria, and algae have a common ancestor from which they have diverged, as can be shown by aligning and comparing amino acid sequences of proteins and nucleotide sequences of homologous ribosomal RNA molecules that are found in both bacteria and vertebrates.

The sequence of experience in a waking vertebrate animal is the paradigm case.

Given a system or composite of individuals, all on a comparable level, for instance molecular or cellular, then in some cases, given integration of activities (thus molecules in a cell, or cells in a vertebrate animal), there may be what Leibniz called a «dominant monad» or what Whitehead calls a «society of presiding occasions.»

Life on this planet has, in the context of its limitations, managed a threefold success: plant and animal life, and among the animals, arthropods (including social insects) and vertebrates (including humankind.

Sex hormones, including testosterone, evolved 500 million years ago — before the first vertebrate animals — from the «mother» of all steroid hormones, estrogen.

«Living herd animals do occasionally turn carnivore to fulfill a particular nutritional need,» says vertebrate paleontologist Paul Barrett of the Natural History Museum in London.

But of the 60 to 80 phyla of animals, only one, the chordates, led to intelligence, and only the vertebrates actually developed it.

They also claimed it contained other internal organ structures, such as gill sacs, that identified it as a vertebrate, and that the animal's teeth resembled those of lamprey.

While the fossil record from this slice of the Paleozoic Era is too incomplete to say whether any of these animals were directly related or just distant cousins, the species represent the transitional nature of the vertebrate move from water to land.

This evidence was crucial because only vertebrates have two different shapes of melanosome, meaning that unlike previous researchers that thought that Tullimonstrum was an invertebrate (animal without a backbone), this is the first unequivocal evidence that Tullimonstrum is a member of the same group of animals as us, the vertebrates.»

Flammang agrees, saying what's most exciting about this is that it really underlines the idea that there is a vertebrate body plan that allows for changes that result in different kinds of animals, adding that the work «really unlocks a way of understanding the differences between organisms.»

By comparing the genomes of 203 vertebrates, they first traced the origin of KZFPs back to a common ancestor of tetrapods (four - legged animals) and coelacanth, a fish that evolved over 400 million years ago.

The «Tully monster,» an ancient animal that had long defied classification, was in fact a vertebrate, two groups of scientists claimed.

Once ashore, these four - limbed vertebrates, called tetrapods, branched into an impressive range of animals: amphibians, reptiles, dinosaurs, birds and mammals.

«Immune responses to fungi are similar across vertebrates and many animals are capable of learning to avoid natural enemies,» Rohr emphasized.

«Tracking data reveal the secret lives of marine animals: Seals, whales, sharks, turtles, seabirds, and other marine vertebrates show similar patterns of movement in marine environments.»

Several of the network genes Volkan and her team identified have counterparts in humans and other vertebrates, which suggests the same basic mechanism could be at work in building the nervous system in other animals too.

But last week, at the annual meeting of the Society for Vertebrate Paleontology in Calgary, Canada, a team of scientists suggested a different killer: harmful algal blooms in the very water that had lured the animals.

According to herpetologist and co-author David Wake, a University of California, Berkeley professor of the graduate school and a curator of the Museum of Vertebrate Zoology, new frog species likely radiated rapidly throughout the world because so many environmental niches were available after the animals occupying them disappeared.

Scientists have now discovered that these viruses have integrated themselves into the DNA of a wide range of animals, including humans, zebrafish, and other vertebrates.

«Among other proteins, we managed to find collagen, one of the most important proteins in the bodies of animals in general, and in vertebrates in particular.»

Since the sexual reproduction stage of malaria only occurs in insects, Poinar said in the new study that they must be considered the primary hosts of the disease, not the vertebrate animals that they infect with disease - causing protozoa.

Wear patterns suggest its owner chewed on hard or bony animals like the frogs and turtles whose fossils were found in the same quarry in Queensland, Australia (Journal of Vertebrate Paleontology, vol 33, p1).

From the perspective of a vertebrate morphologist, humans lack one of the most obvious features of animals adapted for serious speed: a tail.

Vertebrate evolution generally proceeds at far less than a snail's pace, making study of the process in living animals difficult at best.

The extinction that ended the Devonian Era 359 million years ago created opportunities quickly exploited by a formerly rare and unremarkable group of fish that went on to become — in terms of the sheer number of species — the most successful vertebrates (backboned animals) on the planet today: the ray - finned fish.

But «Itchy» was no reptile: The animal, known from two partial skulls and described in July in the Journal of Vertebrate Paleontology, was actually an ancient mammal relative.

protected animals» (i.e., bacteria, fungi, plants, invertebrate animals); studies on vertebrates at early stages of development (before they become?

James Mead, a vertebrate paleontologist with East Tennessee State University, said more research into the evolutionary history of native plants and animals on Abaco is needed as well as conservation programs based on paleontological research that aims to restore these species.

A new look at a virtual zoo - full of animals, from hummingbirds to bats to elephants, suggests that many vertebrate genomes have the same accordion - like properties.

In their first paper, published in the Journal of Vertebrate Paleontology in 1997, Schweitzer, Horner, and colleagues reported that spectroscopy and chemical analyses of extracts from a T. rex femur suggested preserved proteins, including a form of collagen abundant in modern animal bones.