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![]() "Flying Tadpole" wrote: FYI Toads used to be pithed for frankensteinian biology experiments, particularly dealing with hearts and nervous systems. Take one live toad, preferably a cane toad, hold firmly by the back legs so that it doesn't fly across the laboratory on the up swing, swing around one's head then bring it down hard so that the head cracks against the edge of the laboratory bench (not so hard that its head snaps off and flies across the laboratory). Toad should be unconscious or dead after that. Ignore movement. Sever the backbone at the neck then with a probe push up the spinal nerve conduit and pulp the spinal nerve and the cerebellum. Ignore movement while doing so. Dissect out the heart, suspend between supports, flood with saline and apply various stimulants. Watch it beat. dissect out other bits of nerve and muscle, apply electrodes, charge, watch responses. The most revolting thing I was forced to do as an innocent student. We had to bring in our own frogs for that class. My partner brought in a dead, dry, perfectly flattened sample of road kill. We had a heck of a time making the abdominal cut on that sucker and commenced giggling...our biology teacher was pithed. Seahag |
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