defense reflex


de·fense re·flex

1. Synonym(s): flexor reflex2. automatic reactions of an animal, for example, raising of hair or feathers, dilation of the pupils, or baring of claws, when alarmed.
(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