See m. (muscle).
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mas·se·ter mə-'sēt-ər, ma- n a large muscle that raises the lower jaw and assists in mastication, arises from the zygomatic arch and the zygomatic process of the temporal bone, and is inserted into the mandibular ramus and gonial angle
mas·se·ter·ic .mas-ə-'ter-ik adj
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n.
a thick muscle in the cheek extending from the zygomatic arch to the outer corner of the mandible. It is important for mastication and acts by closing the jaws.
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mas·se·ter (mə-seґtər) [Gr. masētēr chewer] see musculus masseter.Medical dictionary. 2011.