reflex has definitions from the fields of biology,medicine,physiology
1
[ noun ] (biology,medicine) an automatic instinctive unlearned reaction to a stimulus

Used in print

(Rocky Mountains News, [Denver, Colorado],...)

`` I know when my reflexes are gone and I'm not going_to be any 25th man on the ball_club '' .

Suddenly my reflexes are gone .

(J. W. C. Hagstrom et al., "Debilitating muscular...)

At this time a detailed neuromuscular examination revealed diffuse muscle atrophy that was moderate in the hands and feet , but more marked in the shoulders , hips , and pelvic_girdle , with hypoactive deep tendon reflexes .

(E. Gellhorn, "Prolegomena to a theory of the emotions"...)

Similar effects can be induced reflexly via the baroreceptor reflexes in man and animals .

(John Hazard Wildman, "Take It Off," The Arizona...)

`` What is it '' ? asked the children , whose reflexes and replies were invariably so admirably normal and predictable .

2
[ adjective ] (physiology) without volition or conscious control

Synonyms

automatic reflexive

Examples

"the automatic shrinking of the pupils of the eye in strong light" "a reflex knee jerk" "sneezing is reflexive"

Related terms

physiology involuntary

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