reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
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pupillary reflex::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | light reflex, miosis, myosis |
| Type of | inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex |
