Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
Masseter |
Prime mover of jaw closure, elevates mandible Trigeminal nerve |
|
Temporalis |
Closes jaw, elevates and retracts mandible, maintains position of mandible at rest Trigeminal nerve |
|
Medial pterygoid |
Acts with lateral pterygoid muscle to protract (anteriorly) the mandible and promote side to side movements Trigeminal nerve |
|
Lateral pterygoid |
Provides forward sliding and side to side grinding movements of the lower teeth Trigeminal nerve |
|
Genioglossus |
Protracts tongue, retracts tongue Hypoglossal nerve |
|
Hypoglossus |
Depresses tongue and draws its sides inferiorly Hypoglossal nerve |
|
Styloglossus |
Retracts and elevates tongue Hypoglossal nerve |
|
Buccinator |
Compresses cheek, whistling and sucking Facial nerve |
|
Sternocleidmastoid |
Flexes and laterally rotates the head Accessory nerve, branches of cervical spinal nerves C2 and C3 |
|
Splenius |
Extend or hyperextend head Cervical spinal nerves |
|
External intercostals |
Pulls ribs toward one another to elevate rib cage, aid in inspiration, synergists of diaphragms |
|
Internal intercostals |
Draws ribs together and depresses rib cage, aid forced expiration, antagonists of external intercostals |
|
Diaphragm |
Prime mover of inspiration, flattens on contraction Phrenic nerves |