corrugator muscle
n.
A muscle with origin from the orbital portion of the orbicular muscle, with insertion to the skin of the eyebrow, with nerve supply from the facial nerve, and whose action draws the medial end of the eyebrow downward and wrinkles the forehead vertically.
Nearby words
corrugated, corrugated iron, corrugated paper, corrugation, corrugator, corrugator muscle, corrupt, corrupt practices act, corruptible, corruption, corruption of blood
The American Heritage® Stedman's Medical Dictionary
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