ES 553- skull and face (slides)

cranial n. I: name, type and function

-olfactory

-sensory

-smell

cranial n. II: name, type and function

-optic

-sensory

-vision

cranial n. III: name, type and function

-oculomotor

-motor

-eye movement, eyelid elevation, pupil constriction

cranial n. IV: name, type and function

-trochlear

-motor

-eye movement

cranial n. V: name, type and function

-trigeminal

-both

sensory- somatosensory info of face, tongue, and scalp

motor- chewing and clenching jaw (muscles of mastication)

cranial n. VI: name, type and function

-abducens

-motor

-eye movement

cranial n. VII: name, type and function

-facial

-both

sensory- taste

motor- facial expression, eye lid depression, salivation

cranial n. VIII: name, type and function

-vestibulocochlear

-sensory

-equilibrium, balance, hearing

cranial n. IX: name, type and function

-glossopharyngeal

-both

sensory- somatosensory info of tongue and throat

motor- swallowing (pharyngeal muscles), salivation

cranial n. X: name, type and function

-vagus

-both

sensory- somatosensory info of the ear, throat, thorax, and abdomen

motor- muscles of the pharynx and larynx

cranial n. XI: name, type and function

-accessory

-motor

-neck muscles (shoulder shrug, head rotation)

cranial n. XII: name, type and function

-hypoglossal

-motor

-tongue movement

where does sound pass into the skull?

external auditory meatus

temporomandibular (TMJ) joint: list the type of synovial joint and the points of articulation

-modified hinge

-condylar process of mandible and mandibular fossa of temporal bone

what motions are produced a the TMJ joint?

-elevation and depression

-right and left deviation

-protrusion and retraction

what are the structural and functional classifications of the sutures of the skull?

structural- fibrous joint

functional- synarthrotic joint

list the bones of the skull

-temporal bone

-parietal bone

-occipital bone

-frontal bone

list the bones of the orbit

-frontal bone

-sphenoid bone

-palatine bone

-zygomatic bone

-ethmoid bone

-lacrimal bone

-maxilla

what is the structure and function of the trachea?

-fibrocartilage

-transports, warms, and moistens air and propels foreign bodies out

what is the function of the nasal concha (turbinates)?

mixes, warms, and moistens air

what is the function of the sinus cavities?

pressurizes and shifts fluid

list the muscles of the eye and the CN that innervates them

-superior oblique rectus: CN IV

-inferior rectus: CN III

-medial rectus: CN III

-lateral rectus: VI