Every year antlers are shed and new bigger and stonger antlers are grown
An antler has neither muscles nor joints for movement
When antlers are growing they are covered in a soft texture called growing velvet
The growing velvet has a complex internal vein and artery structure with the dense marrow of the developing bone, a network of nerves that extends all the way to the tips of the tines, and covering of skin with true hair and oil glands.
Antlers are the fastest growing appendages in the animal kingdom. In large-antlered dear (Elk, Moose and Caribou) the velvet antler can grow as rapidly as 2 centimeters per day.
Early antlers caused by a surge of testosterone are called pedicles
Some of the testosterone used to grow the velvet antlers is converted to estrogen, which causes the death of the velvet and the mineralization of the antler to hard bone. After the deer rubs off the dried and sometimes bloody velvet, its antlers are revealed to be bones growing out of its head.
Anterlogenic tissue is what antlers grow from. If a piece of embryonic antler stem-cell material was embedded in another part of the deers body a small antler would grow. It has also been tried on mice too and was successful. Therefore it is enterally possible that this could work for humans
Deer are the only warm blooded animal that can regenerate a complete oragan.
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