Science Fair Project Encyclopedia
Great muscles of the head
(Redirected from Masseter muscle)
There are only two prominent, or great, head muscles, and these are the Masseter and Temporalis. The two are branchiomeric muscles.
Masseter
The Masseter is a great powerful, and very thick muscle covered by a tough, shining fascia lying ventral to the zygomatic arch, which is its Origin. Insertion, posterior half of the lateral surface of the mandible. Action, elevator of the mandible.
Temporalis
The temporalis is a great mass of mandibular muscle, and is also covered by a tough and shiny fascia. It lies dorsal to the zygomatic arch and fills the temporal fossa of the skull. Origin, side of the skull, Insertion, coronoid process of the mandible, Action, elevator of the jaws.
Last updated: 05-27-2005 05:06:41
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details