Masseter muscle

Masseter
The left masseter muscle (red highlight), partially covered by superficial muscles such as the platysma muscle (below) and both the zygomaticus major and minor muscles
Details
OriginZygomatic arch and maxillary process of zygomatic bone
InsertionAngle surface of ramus of mandible, coronoid process
ArteryMasseteric artery
NerveMandibular nerve (V3)
ActionsElevation (as in closing of the mouth) and protrusion of mandible
Identifiers
Latinmusculas masseter
MeSHD008406
TA98A04.1.04.002
TA22105
FMA48996
Anatomical terms of muscle

In anatomy, the masseter[help 1] is one of the muscles of mastication. Found only in mammals, it is particularly powerful in herbivores to facilitate chewing of plant matter.[5] The most obvious muscle of mastication is the masseter muscle, since it is the most superficial and one of the strongest.

  1. ^ Elsevier, Dorland's Illustrated Medical Dictionary, Elsevier.
  2. ^ Merriam-Webster, Merriam-Webster's Medical Dictionary, Merriam-Webster.
  3. ^ Houghton Mifflin Harcourt, The American Heritage Dictionary of the English Language, Houghton Mifflin Harcourt, archived from the original on 2015-09-25, retrieved 2015-09-27.
  4. ^ Wolters Kluwer, Stedman's Medical Dictionary, Wolters Kluwer.
  5. ^ Romer, Alfred Sherwood; Parsons, Thomas S. (1977). The Vertebrate Body. Philadelphia, PA: Holt-Saunders International. p. 283. ISBN 0-03-910284-X.


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