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The muscles have also been greatly enlarged, with the main leg muscles accounting for over 17% of the total mass of frogs. [ 53 ] Many frogs have webbed feet and the degree of webbing is directly proportional to the amount of time the species spends in the water. [ 54 ]
Frogs are an excellent example of all three trends: frog legs can be nearly twice the body length, leg muscles may account for up to twenty percent of body weight, and they have not only lengthened the foot, shin and thigh, but extended the ankle bones into another limb joint and similarly extended the hip bones and gained mobility at the ...
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]
Most of these frogs are caught in the wild, but some are raised in captivity. The United States is a net importer of frog legs. [68] The American bullfrog is used as a specimen for dissection in many biology and anatomy classes in schools across the world. [69] It is the state amphibian of Missouri, Ohio, and Oklahoma. [70]
Frog legs is a popular gourmet and appetizer in the Southern United States, here at the Pappadeaux Seafood Kitchen. Frog legs are eaten in parts of the Southern United States, particularly in the Deep South and Gulf states where French influence is more prominent, including South Carolina, Georgia, Florida, Alabama, Mississippi, and Louisiana ...
Frog's-leg galvanoscope. The frog galvanoscope was a sensitive electrical instrument used to detect voltage [1] in the late 18th and 19th centuries. It consists of a skinned frog's leg with electrical connections to a nerve. The instrument was invented by Luigi Galvani and improved by Carlo Matteucci.
The hairy frog is also notable in possessing retractable "claws", which it may project through the skin, apparently by intentionally breaking the bones of the toe. [5] These are not true claws, as they are made of bone, not keratin. In addition, there is a small bony nodule nestled in the tissue just beyond the frog's fingertip.
The biceps femoris (/ ˈ b aɪ s ɛ p s ˈ f ɛ m ər ɪ s /) is a muscle of the thigh located to the posterior, or back. As its name implies, it consists of two heads; the long head is considered part of the hamstring muscle group, while the short head is sometimes excluded from this characterization, as it only causes knee flexion (but not hip extension) [1] and is activated by a separate ...