A frog's liver consists of three lobes: the right lobe, left anterior lobe and left posterior lobe. It is the largest organ inside the frog's body cavity. Although it secrets bile, a digestive juice, the liver is not the... More »

Frogs and humans share a similar body plan, which is reflected in their skeletons, and have organ systems which are broadly similar in shape, location, and purpose. More »

A frog's gallbladder stores bile. The frog's gallbladder is a small green sac located under the liver and can be hard to find during dissection. More »

There is no designated name for female or male frogs. However, frog offspring are normally referred to as tadpoles or polliwogs before they enter the next stage of metamorphosis. A large group of frogs is referred to as ... More »

A frog is first a tadpole and then a froglet before becoming an adult frog. It takes between 3 to 4 months for a frog to go through the complete growth cycle and become an adult frog. More »

Pithed frogs have undergone the pithing procedure, which involves a needle inserted through the foramen magnum into the cranial cavity. Pithing mechanically causes disruptions within the frog's brain, and it is an approv... More »

To dissect a frog, pin it to a tray, cut and retract the abdominal skin, remove portions of the ribcage, and pin back the abdominal muscles. This process takes about 45 minutes and requires a preserved frog, a dissecting... More »

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