1513_Mydriasis.jpg
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Summary
| Description |
English:
Mydriasis The sympathetic system causes pupillary dilation when norepinephrine binds to an adrenergic receptor in the radial fibers of the iris smooth muscle. Phenylephrine mimics this action by binding to the same receptor when drops are applied onto the surface of the eye in a doctor’s office. (credit: Corey Theiss)
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| Date | |
| Source | Anatomy & Physiology, Connexions Web site. http://cnx.org/content/col11496/1.6/ , Jun 19, 2013. |
| Author | OpenStax College |
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