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The African clawed frog or platanna, Xenopus laevis, was first widely used in laboratories in pregnancy assays in the first half of the 20th century. When human chorionic gonadotropin , a hormone found in substantial quantities in the urine of pregnant women, is injected into a female X. laevis , it induces them to lay eggs .
The African clawed frog (Xenopus laevis), also known as simply xenopus, African clawed toad, African claw-toed frog or the platanna) is a species of African aquatic frog of the family Pipidae. Its name is derived from the short black claws on its feet. The word Xenopus means 'strange foot' and laevis means 'smooth'.
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Malpighi's frog dissection in 1661, proved to be a suitable size that could be magnified to display the capillary network not seen in the larger animals. [16] In discovering and observing the capillaries in the frog's lungs, Malpighi studied the movement of the blood in a contained system. [15]
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Experiment De viribus electricitatis in motu musculari Late 1780s diagram of Galvani's experiment on frog legs. Luigi Galvani was born to Domenico Galvani and Barbara Caterina Foschi, in Bologna, then part of the Papal States. [6] The house in which he was born may still be seen on Via Marconi, 25, in the center of Bologna. [7]
A key principle in the dissection of human cadavers (sometimes called androtomy) is the prevention of human disease to the dissector.Prevention of transmission includes the wearing of protective gear, ensuring the environment is clean, dissection technique [2] and pre-dissection tests to specimens for the presence of HIV and hepatitis viruses. [3]
Lepidobatrachus laevis, widely known as Budgett's frog, is a species of frog in the family Ceratophryidae, discovered by John Samuel Budgett. [2] It is often kept as a pet . It has acquired a number of popular nicknames, including hippo frog , [ 3 ] Freddy Krueger frog , [ 3 ] and escuerzo de agua .