One of the mysteries of the English language finally explained.
The African clawed frog, much used in embryological research and formerly in pregnancy testing, as it produces eggs in response to substances in the urine of a pregnant woman.
Xenopus laevis, family Pipidae
- ‘Similar antero-posterior pelvic movements have been observed in the aquatic frog Xenopus during swimming.’
- ‘The new species, X. arabiensis, differs from other Xenopus in its long maxilla and maxillary tooth row.’
- ‘The central pattern generator in Xenopus embryos has been particularly well studied by Roberts and his colleagues.’
- ‘Similarly, studies on the frog Xenopus laevis show POMC mRNA expression in the same regions.’
- ‘They were first isolated from the African clawed frog, Xenopus laevis.’
- ‘Genome duplications are also proposed to have occurred in fish, maize, Arabidopsis, S. cerevisiae, and Xenopus.’
Late 19th century: modern Latin, from xeno- ‘strange’ + Greek pous ‘foot’.
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