Functions Flashcards
I
1) afferent olfactory (nerve only travels from sinus to bulb; olfactory tract is what you see on the brain)
II
1) afferent visual from retina (not a nerve at all, but an extension of the brain)
III
1) efferent motor to eye (medial, superior, and inferior rectus muscles and inferior oblique muscle, levator palpebrae);
2) efferent parasympathetic to eye (pupillary constriction)
IV
1) efferent motor to superior oblique muscle
Va
1) afferent sensory from upper face, including cornea (forehead, upper eyelid, cornea, conjunctiva, dorsum of nose, nasal membranes)
Vb
1) afferent sensory from middle portion of face and upper jaw (upper lip, lateral nose, upper cheek, anterior temple, membranes of nose, upper jaw and teeth, roof of mouth)
Vc
1) efferent motor to muscles of mastication;
2) afferent sensory to lower face and jaw (lower lip, chin, posterior cheek, temple, external ear, lower jaw and teeth, cheeks, floor of mouth, anterior two thirds of tongue)
VI
1) efferent motor to lateral rectus
VII
1) efferent motor to superficial facial muscles and stapedius (also posterior belly of digastric muscle);
2) efferent parasympathetic fibers (lacrimal and
salivary glands);
3) afferent gustatory (taste) from anterior tongue;
4) afferent sensory from portion of external ear skin
VIIIv
1) afferent vestibular information from labyrinth
VIIIc
1) afferent auditory information from cochlea
IX
1) efferent motor to pharynx skeletal muscle;
2) efferent parasympathetic fibers to parotid gland;
3) afferent sensory from portion of external ear skin;
4) afferent sensory from pharynx, middle ear, carotid body and sinus;
5) afferent gustatory from posterior tongue
X
1) efferent motor to striated muscle of palate, pharynx, larynx;
2) efferent parasympathetic fibers to viscera
3) afferent sensory from portion of external ear skin, meninges;
4) afferent sensory from larynx, trachea, gut, aortic
arch;
5) afferent taste from larynx
XI
1) efferent motor to sternocleidomastoid and trapezius
XII
1) efferent motor to tongue (intrinsic and extrinsic)