Sentences with phrase «vertebrate animals»

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

«[It] has a single row of belly scales, it has very snake - like vertebrae, it has a body longer than the tail, it has hundreds of vertebrae, it has the remains of other vertebrate animals in the stomach and so it was a carnivore, it has backward pointing teeth.

policies regarding human subjects, live vertebrate animal subjects in research, and safe laboratory practices

Around 390 million years ago, the first vertebrate animals moved from water onto land, necessitating changes in their musculoskeletal systems to permit a terrestrial life.

Using a zebrafish to observe the process of infection offers a small vertebrate animal with an immune system somewhat similar to a human's, Perfect said.

The same sequence of DNA specifying that corkscrew shape has been exactly preserved by evolution in many vertebrate animals suggesting it has an important biological function.

KNOXVILLE — Around 390 million years ago, the first vertebrate animals moved from water onto land, necessitating changes in their musculoskeletal systems to permit a terrestrial life.

Human & Vertebrate Animal Tissue (6B) This form is filled out by the student researcher and explains the source of the tissue.

This suggests that brain sleep dates back at least to the evolution of the amniotes, that is, to the beginning of the colonization of terrestrial landmass by vertebrate animals.

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.

In Britain, procedures likely to harm vertebrate animals can not be performed in schools.

A new study from a team of scientists from the National Institute for Mathematical and Biological Synthesis (NIMBioS) and Clemson University evaluates what mechanisms drive diversity in bone function, providing new insight into the evolution of how tetrapods — the earliest four - legged vertebrate animals — took their first steps on land.

«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.

Vertebrate animals also made their first appearance in the Cambrian Explosion, the distant ancestors of modern fish, reptiles, birds and mammals.

Countless invertebrate and lower vertebrate animals, including fruit flies, salamanders and zebrafish, exhibit remarkable regenerative capabilities2, 14.

No longer is this extremely rare order of ancient fish crowned the slowest evolving vertebrate animal in the world.

reptile Cold - blooded vertebrate animals, whose skin is covered with scales or horny plates.

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.

The sculpture, Column Tree 2008 (Aqua - Resin ®, gauze, burlap and mirrors), represents a tree trunk traversed by mirrors, which slice through it at regular intervals and at different angles, making it appear like the spine of a superior vertebrate animal covered in plaster (classic therapy for bone fractures), a gesture that melds animal and vegetable kingdoms into an equally vulnerable whole.

For example, implementation of the requirements regarding vertebrate animal testing only as a last resort, could be improved.

Growth hormone is a polypeptide hormone synthesised and secreted by the anterior pituitary gland which stimulates growth and cell reproduction in humans and other vertebrate animals.

Bone, also called osseous tissue is a type of hard endoskeletal connective tissue found in many vertebrate animals.

All animal husbandry and experimental procedures were in accordance with NIH guidelines for experiments involving vertebrate animals and approved by the University of California, Los Angeles Institutional Animal Care and Use Committee.

«We definitely expected the sharks to be old, but we didn't expect that it would be the longest - living vertebrate animal,» says Julius Nielsen of the University of Copenhagen, Denmark.

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

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.

The egg was not even a vertebrate animal, let alone an animal endowed with actual human thoughts and feelings.

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.

The researchers also found DNA from eight genera of vertebrate animals.

More than 98 % of vertebrate animals have jaws.

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

For her PhD, Viglietti studied the fossil - rich sediments present in the Karoo, deposited during the tectonic events that created the Gondwanides, and found that the vertebrate animals in the area started to either go extinct or become less common much earlier than what was previously thought.

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.

Many plants, insects, and vertebrate animals are completely dependent on endangered ecosystems.

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

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

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.

«As soon as you're missing a single species in your data matrix, you may be missing a key function that is only represented by that species,» says Jetz, who has studied functional traits in plants and vertebrate animals, particularly birds.

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.

All vertebrate animals (including humans) have two eyes these days.

They found two sequences that looked surprisingly similar to that of the hormone insulin, used by humans and other vertebrate animals to regulate energy metabolism.

Currently, such gene targeting is not possible in zebrafish or any vertebrate animal model system other than mice, for which such targeting involves the use of embryonic stem cells.