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What does autotomy mean?

Looking for the meaning or definition of the word autotomy? Here's what it means.

Noun
  1. (chiefly zoology) The spontaneous removal of a limb, tail etc, especially by some invertebrates as a self-defense mechanism.
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Examples
I could not assess at what point during the predation encounters the lizards employed autotomy.
Through a process called autotomy, muscles can contract violently along the base of an appendage, breaking off the limb.
Even the shedding of antlers by deer may be classified as an example of autotomy.
A feature which the skink shares with many other lizards is autotomy, that is the shedding of the tail in order to flee from the predator.
Lizards have a variety of antipredator adaptations, including running and climbing, venom, camouflage, tail autotomy, and reflex bleeding.
Most investigation into such an antipredatory benefit has focused on caudal autotomy in vertebrate taxa.

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