defense reflex


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de·fense re·flex

1. Synonym(s): flexor reflex
2. automatic reactions of an animal, for example, raising of hair or feathers, dilation of the pupils, or baring of claws, when alarmed.

defense reflex

an autonomic defensive response by an animal when threatened. The response may consist of dilated pupils, baring of claws, or raising of feathers or hair.
(1) a reaction of the autonomic nervous system to perceived threat; alarm reaction

(2) withdrawal reaction

defense reflex

Retraction or tension in response to an action or threatened action.
See also: reflex
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