Mastication muscle (O, I, A, Ns) Flashcards Preview

Gross Anatomy Lab > Mastication muscle (O, I, A, Ns) > Flashcards

Flashcards in Mastication muscle (O, I, A, Ns) Deck (8)
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1
Q

Origin: temporalis

A

temporal lines of parietal, temporal fossa, and temporal fascia

2
Q

Insertion: temporalis

A

anterior portion of mandibular ramus and coronoid process

3
Q

N. Innervation: temporalis

A

Mandibular division of trigeminal

4
Q

Action: temporalis

A
  • Elevates and retracts mandible

- Involved in excursion

5
Q

Origin: Masseter

A

Zygomatic arch

6
Q

Insertion: Masseter

A

lateral side of mandibular ramus and angle of mandible

7
Q

Action: Masseter

A
  • Elevates and protrudes mandible

- Involvedin excursion

8
Q

N. Innervation: Masseter

A

Mandibular division of trigeminal