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Anatomy Crainial Nerves
KYCOM Block 3
60
Anatomy
Graduate
10/18/2012

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Term
what is CN I
Definition
olfactory
Term
what is CN II
Definition
optic
Term
what is CN III
Definition
oculomotor
Term
what is CN IV
Definition
trochlear
Term
what is CN V
Definition
trigeminal
Term
what is CN VI
Definition
adbucens
Term
what is CN VII
Definition
facial
Term
what is CN VIII
Definition
vestibulocochlear
Term
what is CN IX
Definition
glossopharyngeal
Term
what is CN X
Definition
vagus
Term
what is CN XI
Definition
Accessory
Term
what is CN XII
Definition
hypoglosseal
Term
what CN are completely sensory
Definition
olfactory I, optic II, vestibulocochlear VIII
Term
what CN are completely motor
Definition
oculomotor III, trochlear IV, abducens VI, accessory XI, hypoglossal XII
Term
what CN are mixed nerves
Definition
trigeminal V, facial VII, glossopharyngeal IX, vagus X
Term
what CN have a parasympathetic component
Definition
oculomotor III, facial VII, glossopharyngeal IX, vagus X
Term
what CN have taste fibers
Definition
facial VII, glossopharyngeal IX, vagus X
Term
what are the fibers of CN1, what is the function, what opening does it go through
Definition
sensory, olfaction (small), cribiform plate of the ethmoid bone
Term
what are the fibers of CN II, what is the function, what opening does it go through
Definition
sensory, vision, optic canal
Term
what are the fibers of CN III, what opening does it go throug
Definition
motor and parasympathetic, superior orbital fissure
Term
what is the motor function of CN III
Definition
suerior, inferior, medial rectus muscles, inferior oblique, levator palpebrae superioris
Term
what is the parasympathetic function of CN III
Definition
constrict pupil and accomodate eye
Term
what are the fibers of CN IV, what is the function, what opening does it go through
Definition
motor, superior oblique muscle that turns eye down and lateral, superior orbital fissure
Term
what are the fibers of CN V
Definition
sensory and motor
Term
what is the sensory function of CN V
Definition
innervates most of the head
Term
what is the motor functionof CN V
Definition
muscles of mastication and some other muscles
Term
what is the opening for the opthalmic division of CN V
Definition
superior orbital fissure
Term
what is the opening for the maxillary division of CN V
Definition
foramen rotuntum
Term
what is the opening for the mandibular division of CN V
Definition
foramen ovale
Term
what is V1
Definition
opthalmic division of the trigeminal
Term
what is V2
Definition
maxillary division of the trigeminal
Term
what is V3
Definition
mandibular division of the trigeminal
Term
what is the function of V1
Definition
provide sensory to cornea, skin of forehead, scalp, eyelids, nose, mucous membrane of paranasal sinuses, nasal cavity
Term
what is the function of V2
Definition
sensory info to skin face over the maxilla and upper lip, teeth of upper jaw, mucous membrane of the nose, maxillary air sinus
Term
what is the sensory function of V3
Definition
sensory information to the skin of the cheek, skin over mandible, side of head. teeth of lower jaw, tempromandibular joint, mucous membrane of the mouth and aterior two thirds of the tounge
Term
what is the motor function of V3
Definition
muscles of mastication (temporalis, masseter, medial and lateral petrygoids), anterior belly of the digastric, mylohyoid, tendor tympani, tensor veli palatini
Term
what are the fibers of CN VI, what is the function, what opening does it go through
Definition
motor, lateral rectus muscle, superior orbital fissure
Term
what nerve has the longest path through the cranial cavity, what worry does this cause
Definition
abducens, frequently damaged by increased intercranial pressure or fractures to the base of skull
Term
what are the fibers of CN VII, what opening does it go through
Definition
motor, sensory, parasympathetic, taste. internal auditory meatus, facial canal, stylomastoid foramen
Term
what is the motor function of the facial nerve
Definition
muscles to facial expression, stapedius, stylohyoid, posterior belly of the digastric
Term
what is the taste function of the facial nerve
Definition
taste from the anterior two thirds of the tounge
Term
what is the parasympathetic function of the facial nerve
Definition
submandibular and sublingual salivary glands, larcimal gland, glands of the nose and palate
Term
what are the fibers of CN VIII, what is the function, what opening does it go through
Definition
sensory, vestibular nerve: position and movement of head. chochlear nerve: hearing. interal autidory meatus
Term
what are the fibers of CN IX, what opening does it go through
Definition
motor, general sensory, taste. jugular foramen
Term
what is the motor function of CN IX
Definition
stylopharyngeus muscle
Term
what is the general sensation and taste function of CN IX
Definition
posterior third of the tounge
Term
what is the general sensation function of CN IX
Definition
pharynx
Term
what is the parasympathetic function of CN IX
Definition
parotid gland
Term
what are the fibers of CN X, what opening does it go through
Definition
motor, parasympathetic, sensory, taste. jugular foramen
Term
what is the motor function of CN X
Definition
innervates constrictor muscles of the pharynx and intrinsic muscles of the larynx
Term
what is the parasympathetic function of CN X
Definition
neck, thorax, most of abdomen to the splenic colic flexure
Term
what is the taste functional area of CN X
Definition
valleculae and epiglottis
Term
what is the afferent fibers function of CN X
Definition
supplied to all the structures it contacts
Term
what are the fibers of CN XI, what is the function, what opening does it go through
Definition
motor, sternonucleomastoid and trapezius, jugular foramen
Term
what is the cranial root part of
Definition
vagus nerve, not accessory
Term
what are the fibers of CN XII, what is the function, what opening does it go through
Definition
motor, intrinsic and extrinsic muscles of the tounge except the palatoglossus muscle. hypoglossal canal
Term
wat occurs in the olfactory bulb
Definition
olfactory nerves synapse
Term
where does the optic nerve originate
Definition
ganglion cells in the retina
Term
describe the crainial root of the accessory nerve
Definition
there is none
Term
what muscle is NOT innervated by the hypoglosseal even though it innervates the rest of the area KNOW ME
Definition
palatoglossus
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