Muscles of mastication

The muscles of mastication can be divided into primary and secondary groups according to whether they connect the mandible directly to the skull or if they attach to other structures in the neck, e.g. hyoid, thyroid cartilage.

  • close
    • temporalis muscle
    • masseter muscle
    • medial pterygoid muscle
  • open
    • lateral pterygoid muscle
  • anterior translation
    • masseter muscle (posterior fibres)
    • medial pterygoid muscle
    • lateral pterygoid muscle
  • posterior translation
    • temporalis muscle (posterior fibres)

Head and neck anatomy
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Article Information

rID: 1701
Section: Anatomy
Synonyms or Alternate Spellings:
  • Masticator muscles

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    Figure 1: view from below
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    Figure 2
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    Figure 3: masseter (under parotid)
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    Figure 4: temporalis muscle
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    Figure 5: pterygoid muscles
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