noun
- A ring of smooth muscle surrounding the iris.
- synonyms: pupillary sphincter
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). musculus sphincter pupillae. Retrieved September 27, 2026, from http://smartdefine.org/musculus_sphincter_pupillae/definitions/1296397 |
| Chicago | WordNet. 2010. "musculus sphincter pupillae" http://smartdefine.org/musculus_sphincter_pupillae/definitions/1296397 (accessed September 27, 2026). |
| Harvard | WordNet 2010, musculus sphincter pupillae, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/musculus_sphincter_pupillae/definitions/1296397>. |
| MLA | WordNet. "musculus sphincter pupillae" 23 October 2010. Web. 27 September 2026. <http://smartdefine.org/musculus_sphincter_pupillae/definitions/1296397> |