Search Result for "pupillary reflex":
Wordnet 3.0

NOUN (1)

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;
[syn: light reflex, pupillary reflex, miosis, myosis]



WordNet (r) 3.0 (2006):

pupillary reflex
    n 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 [syn: light reflex, pupillary
         reflex, miosis, myosis]