geniohyoid muscle

Medical Dictionary

geniohyoid muscle ge·ni·o·hy·oid muscle (jē'nē-ō-hī'oid')
A muscle with origin in the mandible, with insertion to the hyoid bone, with nerve supply from the first and second cervical nerve, and whose action draws the hyoid forward or depresses the jaw when the hyoid is fixed.

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