6. head and face muscles Flashcards Preview

Anatomy 3402 - 2nd Half > 6. head and face muscles > Flashcards

Flashcards in 6. head and face muscles Deck (13):
1

masseter origin and insertion

or
- lower zygomatic bone and zygomatic process

in
- lateral surface of ramus of mandible

2

masseter action

elevation of mandible

3

masseter innvervation

madibular division of trigeminal nerve

4

temporalis origin and insertion

or
- temporal fossa (parts of parietal, temporal, frontal, sphenoid bones
- temporal fascia

in
- coronoid process of mandible and anterior ramus of mandible

5

temporalis action

elevation and retraction of mandible

6

temporalis innervation

mandibular division of trigeminal nerve

7

medial pterygoid origin and insertion

or
- parts of palatine, sphenoid and maxilla bones

in
- medial (inside) side of mandible near angle

8

medial pterygoid action

elevation and side to side moment of mandible

9

medial pterygoid innervation

mandibular division of trigeminal nerve

10

lateral pterygoid origin and insertion

or
- parts of sphenoid and maxilla bones

in
- temporomandibular joint capsule and condylar process of mandible

11

lateral pterygoid action

protrusion and side to side movement of mandible

12

lateral pterygoin innervation

mandibular division of trigeminal nerve

13

temporalmandibular joint (TMJ) muscles
- innervation

temporalis
masseter
lat./med. pterygoid

- mandibular nerve (branch of trigeminal)