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vertebrate in Medical News

New book summarizes current knowledge on the biology of the vertebrate skeleton

COLD SPRING HARBOR, N.Y. (May 5, 2009) The cells, tissues, and organs that compose the skeletal system provide a supportive yet flexible framework that allows vertebrates to withstand earth's gravity yet remain mobile. Current knowledge about the vertebrate skeleton, especially recent researc...

Genome sequence of lancelet shows how genes quadrupled during vertebrate evolution

Berkeley The newly sequenced genome of a dainty, quill-like sea creature called a lancelet provides the best evidence yet that vertebrates evolved over the past 550 million years through a four-fold duplication of the genes of more primitive ancestors. The late geneticist Susumu Ohno argued in...

UF scientists Throw light on the origin of vertebrate skeleton

Lampreys were thought to be different than other backboned animals, but recent study has shown that things may not be all that different in the genetics of their skeletal development. These findings will be published online in the National Academy of Sciences// UF scientists were able to find ...

Two Fred Hutchinson Cancer Research Center Scientists Receive Presidential Early Career Award

...enter is home to three other Presidential Early Career Award recipients: basic scientist Cecilia Moens, Ph.D., who studies the zebrafish as a model of vertebrate developmental biology; clinical researcher William Grady, M.D., who studies the mechanisms of colorectal-cancer development; and human immunogenetics ...

Humans Weren't Always 'So Special,' Expert Says

...e findings, which were published in this week's online issue of the Proceedings of the National Academy of Sciences . Co-author Jonathan Bloch, a vertebrate paleontologist at the Florida Museum of Natural History, said that "a large and complex brain has long been regarded as one of the major steps that se...

Estrogen linked to lowered immunity in fish

...eptide in mammals, fish and frogs. Antimicrobial peptides are the first line of defense against disease-causing bacteria and some fungi and viruses in vertebrate animals. "Our research suggests that estrogen-mimicking compounds may make fish more susceptible to disease by blocking production of hepcidin and...

CSHL neuroscientists propose project to comprehensively map mammalian brain circuits

...he entire mouse brain within two to three years, as a first step to mapping vertebrate brain architecture across species. The proposed project would ideally be pu...ogically feasible to do on a brain-wide scale for a mouse, let alone larger vertebrate brains. Data storage at such a scale, which would involve storing nanomete...

Evolution and epilepsy

... electrical signaling offer a fresh perspective on vertebrate evolution, provide additional evidence supporting ...buted to the evolutionary success and diversity of vertebrate animals. In an evolutionary comparison of ner...m channel clustering sequences first appeared in a vertebrate ancestral to sharks, "only" around 400 to 450 mill...

Zebrafish Journal Publishes Skin Pigmentation Studies That Shed Light on the Evolution of Race

...rs and historical perspectives on the study of pigmentation in zebrafish, a vertebrate that shares genetic mechanisms of skin color with humans. The Special Focus...on the zebrafish and other aquarium fish species as models for the study of vertebrate development, evolution, toxicology, and human disease. Tables of contents a...

Gut instinct: Salmonella bacteria's molecular tactics to cause illness

... Hundreds of trillions of bacteria make their home in the vertebrate gut. Though many of these microbes perform helpful duties for their host, othersthe pathogensare unwelcome visitors, causing disease. Salmonella ...
vertebrate in Medical Definition

Medicine

...The original focus of vetrinary medicine was primarily the healthcare of domestic animals. In recent years the discipline has broadened to include all vertebrate animals and even some of the more economically valuable or scientifically interesting invertebrates. Veterinary and human medicine had similar origins...
vertebrate in Medical Dictionary

Thrombocyte

...mbo·cyte (t̸hräm′bə sīt′) noun ... Information about thrombocyte in the free online English ... thrombocyte - tiny bits of protoplasm found in vertebrate blood; essential for blood clotting ... thrombocyte (THROM-boh-site) ... Thrombocytes help wounds heal and prevent bleeding by forming ...

Thorax

... of the body between the thorax and the pelvis in which most of the digestive organs are located, belly (in ... Morphology of a flying insect: vertebrate animal with segmented bodies, ... Thorax : central part of an insect. Middle leg: one of two middle limbs of an insect. ... provides an easy to u...

Tapeworm

...ped ... Tapeworm infections tend to occur more frequently in areas of the world where ... Tapeworm , common name for intestinal parasite of vertebrate animals Parasite. ... Tapeworm (band) - Wikipedia, the free encyclopedia ... tapeworm ( ) n. Any of various ribbonlike, often very long flatwo...

Soft palate

...stinguished from the hard palate at the front of the mouth in that it does not contain bone. The palate is the roof of the mouth in humans and vertebrate animals. It separates the oral cavity from the nasal cavity. The palate is divided into two parts, the anterior bony hard palate , and the pos...

Pituitary gland

...nd the back of the nose. ... The pituitary gland itself consists of three sections: The ... Pituitary Gland , master endocrine gland in vertebrate animals. ... Pituitary gland - Wikipedia, the free encyclopedia ... The Pituitary Gland & Endocrine ... The pituitary gland is loc...

Pelvis

...itate ... Information about pelvis in the free online English dictionary and encyclopedia. renal pelvis , ... pelvis - the structure of the vertebrate skeleton supporting ... ...

Myoglobin

... myoglobin molecule in a separate browser ... The European Bioinformatics Institute ... Neuroglobin: a myoglobin -like haemprotein expressed in vertebrate brain and ... This entry represents myoglobin (Mb) ... A trypsin digest of myoglobin is inexpensive to prepare, and stable. ... A myoglobin ...

Medulla oblongata

...onomic ... Brief and Straightforward Guide: What is the Medulla Oblongata ? ... The medulla oblongata is a structure found in the brains of vertebrate animals, ... Section of the medulla oblongata at about the middle of the olive. ... The formatio reticularis of the medulla oblongata , sho...

Melatonin

...n / Safety of Melatonin / Future ... proportion of unmetabolized melatonin is also excreted in ... Melatonin is a principal hormone of the vertebrate pineal gland. ... In the biosynthesis of melatonin , tryptophan is first converted by tryptophan ... A summary of the sleep-inducing, anti-...

Mandible

...oth the upper and lower sections of the beaks of birds; in this case the lower mandible corresponds to the... mandible n. The lower jaw of a vertebrate animal. ... In ruminants and carnivores the mandible is permanently divided into two halves ... Mandible fractures present a unique problem ...
vertebrate in Biological News

New molecular insight into vertebrate brain development

In the December 1st issue of G&D , Dr. Fred H. Gage (The Salk Institute for Biological Studies) and colleagues reveal a role for the Hippo signaling pathway in the regulation of vertebrate neural development, identifying new factors and potential therapeutic targets that may be involved in cong...

Genome sequence of small marine creature sheds light on vertebrate origins

Genome Research is publishing several papers related to analyses of the amphioxus ( Branchiostoma floridae ) genome sequence. The amphioxus, or lancelet, is a cephalochordate residing in shallow regions of tropical and temperate seas, bearing resemblance to a small fish, however lacking pairs o...

Digital zebrafish embryo provides the first complete developmental blueprint of a vertebrate

Researchers at the European Molecular Biology Laboratory (EMBL) have generated a digital zebrafish embryo - the first complete developmental blueprint of a vertebrate. With a newly developed microscope scientists could for the first time track all cells for the first 24 hours in the life of a zebr...

Unheard of life history for a vertebrate

There is a newly discovered life history among the 28,300 species of known tetrapods, or four-legged animals with backbones. A chameleon from arid southwestern Madagascar spends up to three-quarters of its life in an egg. Even more unusual, life after hatching is a mere 4 to 5 months. No other kno...

UF scientists reveal ancient origin of vertebrate skeleton

University of Florida scientists have found that people have an ancient skeleton in their closets - a skeleton personified today by a jawless, eel-like fish. It turns out lampreys, long thought to have taken a different evolutionary road than almost all other backboned animals, may not be so diff...

UF scientists reveal ancient origin of vertebrate skeleton

University of Florida scientists have found that people have an ancient skeleton in their closets - a skeleton personified today by a jawless, eel-like fish. It turns out lampreys, long thought to have taken a different evolutionary road than almost all other backboned animals, may not be so diff...

Climate-caused biodiversity booms and busts in ancient plants and mammals

...y. "Our paper documents the fact that global change affected plants and animals on a wide scale," said Gunnell, an associate research scientist and vertebrate collection coordinator at the U-M Museum of Paleontology. "Some plants and animals flourished while others suffered." When considering today's glob...

August 2009 Geology and GSA Today media highlights

...risis on Earth, the end-Permian mass extinction, is recorded in terrestrial vertebrate fossil assemblages and paleosol horizons of the spectacularly preserved Kar...enefit to researches of environmental change-based eolian deposits. vertebrate extinctions and reorganizations during the Late Silurian Lau Event Mats E...

Naming evolution's winners and losers

..., also shows that new species emerge nearly as often as they die off. Alfaro and his colleagues analyzed DNA sequences and fossils from 47 major vertebrate groups and used a computational approach to calculate whether the "species richness" of each group was exceptionally high or low. The research allows ...

Biologists rediscover endangered frog population

...from the San Diego Natural History Museum made their find June 25. The museum scientists were retracing the path of a 1908 expedition by the Museum of vertebrate Zoology, University of California, Berkeley. During that expedition, which covered all elevations and faces of the San Jacinto Mountain region, the fr...
vertebrate in Biological Technology

Virginia Tech researchers discover how mosquitoes avoid succumbing to viruses they transmit

...otherwise invisible infection becomes fatal-- for both the mosquito and the virus. In other words, to complete the circle and be transmitted back to a vertebrate host, the virus must submit, to some extent, to the mosquito's antiviral response," said Kevin M. Myles, assistant professor of entomology at Virginia...

New insight to demineralization

...crystalline or amorphous silica is an active ingredient in a myriad of products that we use in our daily lives. As a minor, but essential component of vertebrate bone, an understanding of silica reactivity in physiological environments is crucial to the development of successful biomedical implants and syntheti...

Mouse Brain or Impressionist Painting?

...ischer of Ohio State University, for his photo of a chicken retina; Sonja Pyott of the University of North Carolina, Wilmington, for her image of tiny vertebrate cochlea and hair cells; Thomas Deerinck of the National Center for Microscopy and Imaging Research at UCSD for his photos of rat tongue and cerebellum...

A new wide field-of-view confocal imaging system and its applications in drug discovery and pathology

...d with green (532 nm) laser excitation and a 570/50 nm emission filter. 3.2. Imaging Zebrafish Slide Zebrafish, as a vertebrate model organism for studying gene function and drug effects in humans, is increasingly being used for testing in drug discovery. Zebrafish have all of ...

Laser Capture Microdissection of muscle fiber populations and expression analysis by RT-PCR

...ifferential expression pattern of muscle specific genes in different muscle fibers in laser captured material. Introduction While vertebrate limb muscles have traditionally been the paradigm for studies of skeletal muscle myogenesis, a few atypical muscle groups such as extraocular muscles ...

RNA Interference and Gene Silencing: History and Overview

...Imani F, Fire A, and Morgan RA. (2001) Specific inhibition of gene expression by small double-stranded RNAs in invertebrates and vertebrate systems. Proc. Natl. Acad. Sci. USA 98 : 9746-9747. Holen T, Amarzguioui M, Wiiger M, Babaie E, and Prydz H. ...

Identification of Low-Level Oxidation Products in Calmodulin Using NanoSpray Ion Trap Mass Spectrometry

...ion of oxidized CaM in a single experiment using less than 1 pmol of material. Sequence and tryptic mapping of vertebrate CaM. The arrows indicate theoretical cleavage sites for trypsin, while the letters indicate tryptic fragments observed in oxidized C...

TransMessenger Transfection Reagent Handbook

...mani, F., Fire, A., and Morgan, R.A. (2001) Specific inhibition of gene expression by small double-stranded RNAs in invertebrate and vertebrate systems. Proc. Natl. Acad. Sci. USA 98, 9742. 4. Krichevsky, A.M., and Kosik, K.S. (2002) RNAi functions in cultured mammalian neuro...
vertebrate in Biological Products

pTriEx™-4 DNA from Novagen

Description:...recombinant plasmid can be used to test expression in E. coli , insect and vertebrate cells. Transient vertebrate expression is mediated by the CMV immediate early enhancer and promoter 2 ....
Company:Novagen
vertebrate in Biological Definition

Anatomy

...d so forth), as it is found in humans; this is followed by an account of the development (embryology) and comparative anatomy (morphology), as far as vertebrate animals are concerned; but only those parts of the lower animals which are of interest in explaining human body structure are here dealt with. The ...

Apoptosis

...be development - has suggested how selective cell proliferation, combined with selective apoptosis, sculpts developing tissues in vertebrates. During vertebrate embryo development, structures called the notochord and the floor plate secrete a gradient of the signaling molecule Sonic hedgehog (Shh), and it ...

Brain

...ain is usually cited as the supervisory center of vertebrate nervous systems, the same term can also be used f... may have a million neurons in the brain, larger vertebrate brains have over one hundred billion neurons. The ...mans and other primates, it is relatively small. vertebrate nervous systems are distinguished by encephalizat...

Evolution

... Phylogeny , the study of the ancestry of species, has revealed that structures with similar internal organization may perform divergent functions. vertebrate limbs are a common example of such homologous structures . A vestigial organ or structure may exist with little or no purpose in one organism, tho...

Eye

...ften a muscle called the iris that controls how much light enters. Although they are quite similar in function and appearance once fully developed, vertebrate eyes grow outward from brain cells during embryonic development, while mollusk eyes grow inward from skin cells. How a complex structure like the ...

Cell membrane

...mbrane proteins. Anchoring restricts them to a particular cell face or surface--for example, the "apical" surface of epithelial cells that line the vertebrate gut --and limits how far they may diffuse within the bilayer. Finally, rather than presenting always a formless and fluid contour, the plasma membra...

Hormone

...mones. The best known hormones are those produced by endocrine glands of vertebrate animals, but hormones are produced by nearly every organ system and tiss...t human hormones 5 Spelling note 6 See also Structure vertebrate hormones fall into four chemical classes: Amine-derived hormones are d...

Human Genome Project

...ology ; indeed, many major evolutionary milestones (the emergence of the ribosome and organelles , the development of embryos with body plans, the vertebrate immune system ) can be related to the molecular level. Many questions about the similarities and differences between humans and our closest relative...

Lung

...volutionary origin of these two organs. Arachnid lungs Spiders have structures called " book lungs ", which are not evolutionarily related to vertebrate lungs but serve a similar respiratory purpose. Nonrespiratory functions of the lungs In addition to respiratory functions such as gas exchange...

Monoclonal antibody

...d humanized antibodies 2.3 FDA approved monoclonal antibodies Production If a foreign substance (an antigen ) is injected into a vertebrate such as a mouse or a human , some of the immune system 's B-cells will turn into plasma cells and start to produce antibodies that bind to th...
vertebrate in Biological Dictionary

Xenopus

... project. ... Like doppels, xenopus prion has post-signal region, here ... Xenopus tropicalis is a unique resource for two critical areas in vertebrate ... In the former, Xenopus laevis has led the way in identifying the mechanisms of ... Other Names for Xenopus . Vernacular Names: African Clawe...

Vertebral column

... separated by spinal discs. It houses the spinal cord in its spinal canal. A vertebra is an individual bone in the flexible column that defines vertebrate animals, via humans. The vertebral column encases and protects the spinal cord, which runs from the base of the cranium down the dorsal side o...

Vertebrates

...ivity pages and school homework help for kids. vertebrate ( ) adj. Having a backbone or spinal column. Of or characteristic of vertebrates or a vertebrate ... Vertebrates are members of the subphylum .....at the Smithsonian Museum of Natural History. ... vertebrate Zoology is the study of animals with backbones....

Trachea

...be descending from the larynx to the bronchi and carrying air to the vertebrate trachea vertebrate trachea Conducting passages. Laryngoscopic view of ... Trachea ... Tra...

Topoisomerase

...ase I does not show relevant ... Fruit fly protein-coding gene Top3beta. Represented by 62 ESTs from 17 cDNA libraries. ... protein similar to vertebrate topoisomerase (DNA) III beta (TOP3B) ... Fruit fly protein-coding gene Top1. Represented by 93 ESTs from 19 cDNA libraries. ... Topoisomerase ...

Thermoregulation

...rature independent from the environmental temperature: mammalian thermoregulation animal heat n. The heat generated in the body of a warm-blooded vertebrate as the result of its physiological ... Thermoregulation : some concepts have changed. ... Encyclopedia article about Thermoregulation . Informati...

Thrombocytes

... about the circulatory system. ... Information about Thrombocytes in the free online English ... thrombocyte - tiny bits of protoplasm found in vertebrate blood; essential for blood clotting ... Visit CancerCompass today for all of the latest information on leukemia ... Platelets (also called throm...

Thalamus

... The thalamus is a midline paired symmetrical structure within the brain of vertebrate animals, including humans. It is between the cerebral cortex and the midbrain, both in terms of its location and its neurological... thalamus n...

Spleen

... The spleen is an organ found in all vertebrate animals with important roles in regard to red blood cells and the immu... reserve in case of hemorrhagic... The spleen , an organ found in all vertebrate animals, is a major part of the immune system. In humans, the spleen is l...

Spindle Fibers

...n preparation ... The spindle fibers attach to the chromatids near the centromeres, and tug and ... muscle spindle n. A stretch receptor in vertebrate muscle. ... sensory fibers (Group Ia afferent neurons) of the muscle spindle respond to ... spindle n. A rod or pin, tapered at one end and...
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