Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Radial muscle
Introduction
The iris dilator muscle (pupil dilator muscle, pupillary dilator, radial muscle of iris, radiating fibers), is a muscle of the eye. It is innervated by the sympathetic system.
Additional images
Additional images
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Sympathetic connections of the ciliary and superior cervical ganglia.
External links
External links
- Description of function at tedmontgomery.com
- Slide at mscd.edu
- Template:EMedicineDictionary
- Histology image: 08010loa – Histology Learning System at Boston University
hu:Musculus dilatator pupillae sr:Мишић дилататор зенице
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]