The pupil reflex is an involuntary response originating in the brainstem that regulates light entering the eye by adjusting the iris.
The pupil reflex is an involuntary response originating in the brainstem that regulates light entering the eye by adjusting the iris.
| Front | the pupil reflex |
|---|---|
| Back | involuntary response, originates at brainsteam, resizing of iris to regulate light reaching retina, contraction of circular/radial muscles |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Brain death permanent absense measurable activity cerebrum brainstem
Previous card: Sympathetic response
Up to card list: IB Biology HL