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Frog dissection is a process of examining the internal anatomy of a frog by making cuts through the skin and muscles. During the dissection, students typically examine the organs, including the heart, lungs, liver, stomach, and intestines.
To dissect a frog, start by locating the cloaca between the animal’s back legs, which is where you’ll make your first incision. Then, you should open up the frog in an “X” pattern by cutting down each leg and slicing up the center of the belly.
One of the best ways to learn about adult amphibian anatomy is to dissect a preserved frog and see how all the organs fit together inside its body. Use this guide for complete instructions. Watch this video to get started!
Learn basic vertebrate anatomy through the frog dissection. For dissection equipment - http://amzn.to/2vfMwaj...more.
Dissection Instructions. Place the frog in the dissecting pan ventral side up. Use scissors to lift the abdominal muscles away from the body cavity. Cut along the midline of the body to the forelimbs. Make transverse (horizontal) cuts near the arms and legs. Life the flaps of the body wall and pin back.
Frog dissection handout describes how to dissect a frog and locate structures. Covers major organ systems and has several diagrams to label and questions.
The dissection is simple, only requiring dissecting scissors, and can be completed in 1 or 2 class periods depending on your preference. Below is a brief survey of the internal and external anatomy of the frog. For more detailed dissection instructions and information, check out Carolina® dissection kits.