Egg Tooth
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In some egg-laying animals, the egg tooth is a small, sharp, cranial protuberance used by offspring to break or tear through the egg's surface during hatching. It is present in most birds and reptiles, and similar structures exist in monotremes, Eleutherodactyl frogs, and spiders.
Some lizards and snakes develop a true tooth that is shed after use; other reptiles and birds generally develop an analogous epidermal horn that is reabsorbed or falls off.
Famous quotes containing the words egg and/or tooth:
“The egg is the symbol of perfection. Do you want an egg?”
—Mason Cooley (b. 1927)
“You have heard that it was said, An eye for an eye and a tooth for a tooth.’ But I say to you, Do not resist an evildoer. But if anyone strikes you on the right cheek, turn the other also; and if anyone wants to sue you and take your coat, give your cloak as well...”
—Bible: New Testament, Matthew 5:38-40.
Jesus.