- 1. pupil
- [opening at the center of the iris of the eye through which light enters. ( CSP )] (UMLS (CSP) C0034121) =Body Part, Organ, or Organ Component =iris;
| - 4. pupillary reflex
- [contraction of the pupil on exposure of the retina to light; or, any reflex involving the change in the size of the pupil occurring in response to various stimuli. ( CSP )] (UMLS (CSP) C0423049) =Clinical Attribute =reflex;
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