Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A thick muscle in the cheek that closes the jaws during chewing.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The large muscle which raises the under jaw, and assists in mastication.

from the GNU version of the Collaborative International Dictionary of English

  • n. The large muscle which raises the under jaw, and assists in mastication.

from The Century Dictionary and Cyclopedia

  • n. In anatomy, one of the principal muscles of mastication, the action of which directly and forcibly closes the mouth.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a large muscle that raises the lower jaw and is used in chewing

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

New Latin massētēr, from Greek masētēr, massētēr, from masāsthai, to chew.

from Wiktionary, Creative Commons Attribution/Share-Alike License

New Latin, from Ancient Greek μασητήρ (masētēr, "a chewer, a muscle of the lower jaw used in chewing"), from μασᾶσθαι (masasthai, "to chew"). Compare French masséter.

Examples

  • One of the most powerful of them, the 'masseter', rises from the superior maxillary bone, and spreads over its whole extent: therefore, that bone is developed, while the nasal bone is compressed into a very small space.

    The Dog

  • The patient may present with tachycardia or masseter muscle spasm which quickly progresses to hyperthermia, skeletal muscle rigidity, tachycardia, metabolic and respiratory acidosis and electrolyte abnormalities.

    Monamine Oxidase Inhibitors

  • The strong masseter muscles become activated, which can lead to increased tooth wear, fracture of the teeth and in severe cases joint and facial pain syndromes.

    Patricia Yarberry Allen: Dental Health and Menopause

  • And I still cook fish head-on and eat the masseter cheek as well as the regular part of the fish.

    Guest Post: Us and Them » Sociological Images

  • The temporalis, located in the temporal fossa of the skull, opens and closes the jaw, as does the masseter.

    Muscles Part 2

  • This enables the masseter muscle to develop increased force during chewing.

    You Being Beautiful

  • Those depressed areas on the frontals and zygomatic processes have apparently evolved to allow particularly large temporalis and masseter muscles, the muscles involved in closing the jaw.

    Archive 2006-10-01

  • After she examined Sprite, Dr. Bardsley characterized his condition as “pronounced masseter muscle atrophy,” a severe shrinkage of the muscles on the right side of his face.

    Rescuing Sprite

  • Along with surgery to remove the cancer from his parotid gland and masseter muscles (those used in mastication) along his jaw and neck came painful daily radiation treatments and a history of low survival rates among patients with similar cancers.

    Author Turns Pain Into Healing Hope For Cancer Patients

  • Zubieta and colleagues examined the effect of deep sustained pain — produced by a prolonged infusion of 5 percent hypertonic saline into the masseter muscle –with or without a placebo in young male volunteers.

    Placebo Effect may actually be Physical | Impact Lab

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