Digestion

Card Set Information

Author:
sjhy90
ID:
117183
Filename:
Digestion
Updated:
2011-11-15 23:56:19
Tags:
Mastication muscles
Folders:

Description:
Digestive system
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  1. What are the four muscles of mastication?
    • Masseter
    • Temporalis
    • Lateral pterygoid muscle
    • Medial pterygoid muscle

    Nerve supply to all: V3 (Mandibular branch of trigeminal nerve)
  2. Masseter muscle
    Origin, insertion, nerve supply, and function
    • Origin: Lower border of zygomatic arch
    • Insertion: Lateral surface of angle of mandible
    • Function: Close Mandible
    • Nerve Supply: V3 - mandibular branch of trigeminal nerve
  3. Temporalis
    Origin, insertion, nerve supply, and function
    • Origin: Temporal lines of parietal bones
    • Insertion: Coronoid process of mandible
    • Function: Close mandible
    • Nerve supply: V3 - mandibular branch of trigenminal nerve
  4. Lateral pterygoid muscle
    Origin, insertion, nerve supply, and function

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