Face Flashcards
What is the facial skeleton?
The bones that support the face
How many bones form the facial skeleton?
14
What bones form the facial skeleton?
- mandible
- vomer
- nasal
- maxilla
- lacrimal
- inferior nasal concha
- palatine
- zygomatic
What is unusual/unique about the muscles of the face?
- they do not act as lever muscles
- they do not attach to bone at both origin and insertion
What muscles lack any attachment to bone?
- orbicularis oris
- procerus
- risorius
Most of the seventh cranial nerve will exit the skull via what opening?
The stylomastoid foramen
Into what region of the head will the stylomastoid foramen open?
The parotid region
What is the source of innervation for all muscles of facial expression?
Facial nerve branches
Branchial efferent fibers carried in the seventh cranial nerve will innervate what muscles?
- muscles of facial expression
- muscles of the scalp and of the auricle
- the buccinator
- platysma
- stapedius
- stylohyoid
- posterior belly of the digastric
What do Somatic Afferent (SA) pathways monitor?
- pain
- temperature
- light touch
- proprioception
Which divisions of the trigeminal nerve contain SA pathways?
All three
Which divisions of the trigeminal nerve receive sensory information from the face?
All three
Which specific branches provide sensory input from skin around the orbit?
Ophthalmic nerve - frontal, lacrimal, and nasociliary branches
Which maxillary division, trigeminal nerve branch innervates the skin of the scalp?
Zygomatic
Which mandibular division, trigeminal nerve branches innervate the skin of the mandible and ear?
- auriculotemporal nerve
- inferior alveolar nerve
