BIO 479 Lecture Notes - Lecture 1: Canine Reproduction, Castrato, Leptin
1 Feb 2018
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Endocrinology short history, long past: pre-christian era to present-day: Pre-christians: knew certain body parts made "substances" or "humors" Egyptians: during mummification, organs were different and put into separate jars to enter the other world; mummified cats w/ little cat jars. Knew testes made "something" that influenced behavior and. Removing them was common method for manipulating morphology physiology and behavior. Humans: "eunuchs" (testes removed) safely guarded harems. Rooster : "capons" have tender meat due to castration. Horse: "geldings, steers" are more quiet, more tender meat: ancient romans mix, 1 st century greeks. Knew pregnancy could be prevented by not allowing male and female "fluids" to. Described ad studied symptoms of diabetes: middle ages (14, 15 century) Traveling physicians going from town to town: the renaissance. Leonardo da vinci made detailed drawings of glands from cadavers. He studied their anatomy: the last 200 years the 1800s. "the romantic era" of love and sex. Extracts of crushed dog testes was considering "invigorating"
