Akademik

pupillary reflex

noun

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, ↑miosis, ↑myosis

• Derivationally related forms: ↑myotic (for: ↑myosis), ↑miotic (for: ↑miosis)

• Hypernyms:

↑reflex, ↑reflex response, ↑reflex action, ↑instinctive reflex, ↑innate reflex, ↑inborn reflex, ↑unconditioned reflex, ↑physiological reaction

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noun

Etymology: pupillary (II)

: the contraction of the pupil in response to light entering the eye

Useful english dictionary. 2012.