Shared Flashcard Set

Details

Title

Muscles of the Head- mastication

Description

Muscles of the head- mastication

Total Cards

Subject

Anatomy

Level

Undergraduate 1

Created

11/04/2009

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Additional Anatomy Flashcards

Term

Masseter

Definition

Origin: Zygomatic arch

Insertion: Angle of mandible

Action: Prime mover for jaw movement

Term

Temporalis

Definition

Origin: Temporal fossa

Insertion: Coronoid process of mandible

Action: Closes jaw; retracts mandible (jaw closed at rest)

Term

Pterygoids: Medial

Definition

Origin: Sphenoid; perpendicular plate, medial surface

Insertion: Mandible

Action: Elevates jaw

Term

Pterygoids: Lateral

Definition

Origin: Sphenoid; greater wing

Insertion: Condyle of mandible

Action: Protrudes mandible

Term

Bucinator

Definition

Origin: Maxilla and mandible

Insertion: Oribcularis oris

Action: draws corner of mouth laterally