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amphibian in Medical News

Ten new amphibian species discovered in Colombia

Bogot, Colombia, February 2, 2009 -- Scientists today announced the discovery of 10 amphibians believed to be new to science, including a spiky-skinned, orange-legged rain frog, three poison dart frogs and three glass frogs, so called because their transparent skin can reveal internal organs. ...

The Organic Center Refutes Misleading Nutritional Claims Made by United Kingdom's Food Standards Agency (FSA) in Agency Report on Health Value of Organic Foods

...f global warming through sequestering more carbon than conventional farming; and improving health and survival among honey bee and endangered fish and amphibian species. We call upon government bodies, academic institutions, business leaders and consumers to join us in contesting this incomplete and fla...

Golf Courses Could Serve as Wildlife Sanctuaries If Managed Properly

...ional, outlined recommendations that would improve golf course habitats for amphibian populations in a paper published in USGA Turfgrass and Environmental Resear...ely drying golf course ponds in the late summer or early fall would benefit amphibian populations and biodiversity. "It's a hard concept for people to u...

Brain Tumor Drug in Frogs A New Report

...the cell where the RNA is needed for essential functions, ribonucleases are prevented from working by inhibitor molecules. But because Amphinase is an amphibian ribonuclease, it can evade the mammalian inhibitor molecules to attack the cancer cells. As a treatment, it is most likely to be injected into...

Link between Fish and Mammal Immune Systems Revealed by Killer B cells

...gocytic cells only make up a small portion of the total number of immune cells in mammals. Further research also showed that a significant portion of amphibian B cells retained their digestive traits. "The immune systems of amphibians and fish are far less advanced than ours," Sunyer said. "When you onl...

Frog Secretions Could Be Used To Ward Off Mosquitoes

... mosquitoes and is responsible for one million deaths a year. But they said: "The discovery highlights the potential of the unsung properties of amphibian skin." The research team also found two other Australian species - the desert tree frog and Mjoberg's Toadlet - released mosquito repellent odou...
amphibian in Medical Dictionary

Pathogen

...gests the blood cells hemoglobin stopping ... Batrachochytrium dendrobatidis is a pathogen of amphibians that has been ... Chemotaxis of the amphibian pathogen Batrachochytrium dendrobatidis and its ... This section includes food pathogens such as Campylobacter jejuni, ... Pathogen Detect...

Hiccups

... Hiccups (singultus) can be caused by many central and peripheral nervous system ... Additionally, they point out that hiccups and amphibian gulping are inhibited by ... What are hiccups ? Hiccups occur when a spasm contracts the diaphragm, a large ... While very rare, intractable ...
amphibian in Biological News

Spring fishing season arrives... and with it, amphibian diseases

Waterdogs, they're called, these larvae of tiger salamanders used as live bait for freshwater fishing. With tiger salamander larvae, anglers hope to catch largemouth bass, channel catfish and other freshwater fishes. They may be in for more than they bargained for: salamanders in bait shops ...

10 new amphibian species discovered in Colombia

Bogot, Colombia, February 2, 2009 -- Scientists today announced the discovery of 10 amphibians believed to be new to science, including a spiky-skinned, orange-legged rain frog, three poison dart frogs and three glass frogs, so called because their transparent skin can reveal internal organs. ...

Global warming link to amphibian declines in doubt

Evidence that global warming is causing the worldwide declines of amphibians may not be as conclusive as previously thought, according to biologists. The findings, which contradict two widely held views, could help reveal what is killing the frogs and toads and aid in their conservation. "We ar...

Study rules out inbreeding as cause of amphibian deformities

WEST LAFAYETTE, Ind. Although research has linked inbreeding with elevated rates of deformity in a wide variety of animals, a new study finds it plays no part in the high incidence of malformation among salamanders. Purdue University researchers recently examined 2,000 adult and juvenile salam...

Early exposure to common weed killer impairs amphibian development

MEDFORD/SOMERVILLE, Mass. - Tadpoles develop deformed hearts and impaired kidneys and digestive systems when exposed to the widely used herbicide atrazine in their early stages of life, according to research by Tufts University biologists. The results present a more comprehensive picture of how...

Parasites might spur evolution of strange amphibian breeding habits

Athens, Ga. Parasites can decimate amphibian populations, but one University of Georgia researcher believes they might also play a role in spurring the evolution of new and sometimes bizarre breeding strategies. Brian Todd, a researcher at the UGA Odum School of Ecology Savannah River Ecology ...

Race to halt global amphibian crisis boosted by rediscovery of endangered Colombian frogs

The rediscovery of two frog species feared extinct has made a new Colombian protected area the focal point for efforts to save amphibians from a deadly fungus decimating their populations in Central and South America. Scientists recently found the two Critically Endangered frogs ?the Santa Marta ...

Major initiative proposed to address amphibian crisis

Fifty of the leading amphibian researchers in the world have called for a new Amphibian Survival Alliance, a $400 million initiative to help reduce and prevent amphibian declines and extinctions, an ecological crisis of growing proportion that is continuing to get worse. In a policy statement to be...

Climate change drives widespread amphibian extinctions

Results of a new study provide the first clear proof that global warming is causing outbreaks of an infectious disease that is wiping out entire frog populations and driving many species to extinction. Published in the Jan. 12 issue of the journal Nature, the study reveals how the warming may alt...

New amphibian species result from exploration, not from rule changes

Researchers have discovered amphibian species at an accelerating rate in recent decades, with over 1,000 new ones recognized between 1992 and 2003. At the same time, amphibians are, for reasons not entirely clear, declining more rapidly than either mammals or birds, underscoring the importance of a...

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amphibian in Biological Technology

Alfacell's ONCONASE(R) and R-Amphinase Show Anti-Tumor Activity in Chronic Lymphocytic Leukemia and Acute Myeloblastic Leukemia Cells

...Lodz in Poland, Alfacell and the Brander Cancer Research Institute and Department of Pathology at New York Medical College . ONCONASE and R-Amph are amphibian endoribonucleases with unique mechanisms of inhibiting the growth and causing apoptosis (programmed cell death) of malignant cells. Previously, ONCON...
amphibian in Biological Definition

Lung

...tion 1.2 Human lungs 2 Avian lungs 3 Reptilian lungs 4 amphibian lungs 5 Evolutionary origins 6 Arachnid lungs 7 Nonrespirato... at which mammals would succumb to hypoxia . Reptilian lungs amphibian lungs The lungs of most frogs and other amphibians are simple balloon...
amphibian in Biological Dictionary

Yolk plug

...ng the formation of the ventral lip of the blastopore. It is a patch of large endodermal cells which remains exposed on the vegetal surface of the amphibian blastula that will eventually be internalized by epiboly. Frog yolk plug . This embryo is near the end of gastrulation. ... overlying the a...

Jointed appendages

...o allow efficient movement in a terrestrial ... 1. Jointed appendages first accomplished by the arthropods ... Morphology of a frog: web-footed amphibian which lives near lakes and ponds. ... Webbed foot: one of a set of jointed appendages that are connected by fine skin. ... Centipede, common na...

Interkinesis

... period in between the two meiotic divisions is defined as interkinesis , ... in regard to the role of MAPK as the factor governing interkinesis in amphibian ... Interkinesis is the period of time between meiosis I and meiosis II. In some ... The daughter cells from meiosis need to have a half ...

Herpetology

...... For additional Herpetology taxonomy information, see The ... The Center for North American Herpetology . The TIGR Reptile Database. Global amphibian Assessment ... Herpetology summary with 4 pages of encyclopedia entries, essays, summaries, research information, and more. ... Herpetology is ...

Dorsal lip

... dorsal lip . ... cuts are transverse cuts, to complete a rectangular area of dorsal lip tissue. ... 1 2 3 4. Dorsal Lip Transplant in amphibian Embryos ... region of the blastopore lip of one embryo will induce gastrulation in any kind of tissue. ... Dorsal , lip ,biological,biolog...
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