superior rectus muscle


n.

A muscle with origin from the superior part of the common tendinous ring, with insertion into the superior part of the sclera of the eye, with nerve supply from the oculomotor nerve, and whose action directs the pupil upward and medialward.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.