light reflex

Noun

Meaning

reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller

Source: WordNet

Synonyms

meiosis miosis myosis pupillary reflex

Hypernyms

reflex reflex response inborn reflex innate reflex instinctive reflex physiological reaction

Close letter words and terms

light receptor cell light red meranti light reflection light refraction light refraction index light refreshment