xenopus

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xenopus

(zĕn′ə-pəs)
n.
Any of various aquatic, tongueless, clawed frogs of the genus Xenopus of southern Africa, certain species of which, especially the African clawed frog, are widely used for biological research.

Xenopus

the African clawed toad that has been used to test for pregnancy in women. Injection of urine from a pregnant woman results in egg-laying in the toad.
References in periodicals archive ?
Population structure of the African clawed frog (Xenopus laevis) in maize-growing areas with atrazine application versus non-maize-growing areas in South Africa.
Effects of cadmium, estradio1-17[beta] and their interaction on gonadal condition and metamorphosis of male and female African clawed frog, Xenopus laevis.
The African clawed frog (Xenopath) is the most commonly used frog in biomedical research.
But van Hemmen discovered that young African clawed frogs aren't skilled yet at this method.
The African clawed frog was released locally in the 1950s after it was used in laboratories for experiments on drugs, such as birth control.
African clawed frogs (Pipidae; Xenopus laevis) possess toxins (Daly et al.
Though the experiments were performed on a common laboratory frog, the African clawed frog (Xenopus laevis), field studies indicate that atrazine, a potent endocrine disruptor, similarly affects frogs in the wild, and could possibly be one of the causes of amphibian declines around the globe, Hayes said.
reported a frog mycobacteriosis in an adult female, albino South African clawed frog (X.
are inventors of "Transgenic Clawed Frog Embryos and Use Thereof as Detectors of Endocrine Disruptors in the Environment," International patent no.
laevis', the Western clawed frog has easier DNA to decipher, says Uffe Hellsten of the Department of Energy Joint Genome Institute in Walnut Creek, Calif.
The earliest published record of Bd is from a specimen of an African clawed frog in 1938 from South Africa.
In sub-Saharan Africa, several African clawed frog species have interbred so successfully that at least seven new species with distinct genetic makeup have been created.