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Definition of Autotomy
1. Noun. Spontaneous removal or casting off of a body part (as the tail of a lizard or claw of a lobster) especially when the organism is injured or under attack.
Definition of Autotomy
1. the shedding of a damaged body part [n -MIES]
Medical Definition of Autotomy
1. The act of casting off a body part as a means of escape; e.g., the limb of a crab or the tail of a lizard. Origin: auto-+ G. Tome, a cutting (05 Mar 2000)