Chapter 9: Head and neck anatomy Flashcards
What are the 11 regions of the head?
Frontal, Parietal, Temporal, Orbital, Nasal, Inforbital, Zygomatic, Buccal, Oral, Mental
What are the bones of the cranium?
Parietal, Frontal, Occipital, Temporal, Ethmoid, Spheiod
What are the bones of the face?
Zygomatic, Maxillary, Mandible, Palatine
What movements does the TMJ perform?
Gliding movement and Hinge action.
What are the muscles of facial expression?
Buccinator, Orbiculars Oris, Mentails, Zygomatic major
What are the muscles of mastication?
Temporal, Internal pterygoid, Masstef, External pterygoid
What is the mental protuberance?
The chin
What’s the Ramus?
Upright portion at each end of the mandible.
What’s the Coronoid process?
Anterior portion of each ramus
Condyloid Process
Posterior portion of each ramus
What’s the Sigmoid notch?
Structure separating the coronoid and condyloid
What does the TMJ do?
Allows movement of the mandible for speech and chewing
Where is the Buccinator and what does it do?
Posterior portion of alveolar process.
Compresses cheeks against teeth and retracts mouth.
Where is the Mentails located and what does it do?
Raises and wrinkles skin of chin and pushes up lower lip.
Where is the Zygomatic bone and what does it do?
On the Zygomatic bone
Draws angles of mouth upward and backward, laughing
