pupillary reflex
English Thesaurus
1. reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller (noun.act)
hypernym | : | inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex, |
definition | : | an automatic instinctive unlearned reaction to a stimulus (noun.act) |
Visual ArtiKata
Explore pupillary reflex in ArtiKata.com >