masseter muscle

Medical Dictionary

masseter muscle mas·se·ter muscle (mə-sē'tər)
A muscle with origin from the inferior border and medial surface of the zygomatic arch, with insertion into the lateral surface of the ramus of the mandible, with nerve supply from the masseteric nerve, and whose action closes the jaw during chewing.

mas'se·ter'ic (mās'ĭ-těr'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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