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Topic: Zygomaticus major muscle


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In the News (Mon 21 Dec 09)

  
  IV. Myology. 4d. The Muscles of the Mouth. Gray, Henry. 1918. Anatomy of the Human Body.
The Zygomaticus (Zygomaticus major) arises from the zygomatic bone, in front of the zygomaticotemporal suture, and descending obliquely with a medial inclination, is inserted into the angle of the mouth, where it blends with the fibers of the Caninus, Orbicularis oris, and Triangularis.
380) is a thin quadrilateral muscle, occupying the interval between the maxilla and the mandible at the side of the face.
The Zygomaticus and Risorius may be doubled or the latter greatly enlarged or blended with the Platysma.
bartleby.com /107/108.html   (1624 words)

  
 Mastication - Wikipedia, the free encyclopedia
Chewing food is a complex motor function, muscles need to be powerful enough to break tough portions of food, yet have enough dexterity to not injure the tongue, and to clear the mouth completely.
The primary muscles of mastication, each of which is paired, are the temporalis, masseter, medial pterygoid and lateral pterygoid.
It is thought that feedback from proprioceptive nerves in teeth and the temporomandibular joints govern the creation of neural pathways, which in turn determine duration and force of individual muscle activation (and in some cases muscle fibre groups as in the masseter and temporalis).
en.wikipedia.org /wiki/Chewing   (471 words)

  
 biology - List of muscles of the human body
2 The muscles of the anterolateral region of the neck
The muscles of the anterolateral region of the neck
The muscles of the shoulder and musculotendinous cuff
www.biologydaily.com /biology/List_of_muscles_of_the_human_body   (102 words)

  
 Muscles Of Facial Expression - A Great Resource of Information   (Site not responding. Last check: 2007-11-01)
The cause of the spasm may be related to the irritation of the nerve that controls the muscles of facial expression called the facial nerve.
nerve at the wrist, known as carpal tunnel syndrome, and weakness or paralysis of the muscles of facial expression because of injury to the facial nerve [known as BellĂ­s Palsy].
The fascia that is supported by the facial muscles of expression is undermined as a separate layer and pulled in an upward and backwards direction where it is trimmed and sutured.
www.totallymuscle.com /musclesoffacialexpression   (1633 words)

  
 Facial Muscle Anatomy
The list of muscles and the facial muscle anatomy chart below are provided to help your patients connect with the pieces of their emotional expression tool kit.
The mouth is surrounded by 3 muscle groups with many muscles...
...skeletal - anatomy body human muscle - anatomy facial muscle - anatomy gorilla.....cat muscle - anatomy back muscle - muscle anatomy chart - muscle anatomy physiology.....leg muscle -...
www.facialfirm.com /facialmuscleanatomy.html   (293 words)

  
 Gray's Anatomy of the Human Body - The Muscles of the Mouth - Yahoo! Education   (Site not responding. Last check: 2007-11-01)
Gray's Anatomy of the Human Body - The Muscles of the Mouth - Yahoo!
Education > Reference > Gray's Anatomy of the Human Body
The uppermost and lowermost fibers of the Buccinator pass across the lips from side to side without decussation.
messenger.yahooligans.com /reference/gray/subjects/subject?id=108   (1576 words)

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