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
What does the Orbicularis Oris and where is it?
Around the mouth
Closes and puckers lips
What are the three salivary glands?
Patroid, Submandibular and Sublingual gland.
What’s another name for the Patroid duct?
Stensen’s duct
What’s another name for the submandibular duct?
Wharton’s duct
What’s another name for the sublingual duct?
Bartholins duct
Which gland produces the most saliva?
Submandibular gland
Which gland produces the least saliva?
Sublingual gland
What is the fifth cranial nerve used for?
Mastication
