masseter /mas·se·ter/ (mas-ēt´er) masseter muscle. masseter´ic
masseter
mas·se·ter (m -s  tr)n. 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·teric (m s -t rk) adj. |
masseter
[masē′tər]
Etymology: Gk, one who chews
the thick rectangular muscle in the cheek that functions to close the jaw. It is one of the four muscles of mastication. The masseter is innervated by the masseteric nerve from the mandibular division of the trigeminal nerve.
masseter
see masseter muscle and Table 13.1H.
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