facial cranial muscles Flashcards
epicranial
raises forehead pulls scalp backward
corrugator supercilii
draws eyebrows medially, frowning
orbicularis oculi
closes eyelids
orbicularis oris
closes or purses lips
buccinator
moves bolus of food
levator labii superioris
raises upper lip
- Levator labii superioris alaeque nasi
raises upper lip and widens nostril
zygomaticus major
draws back cheek and corner of mouth
zygomaticus minor
raises upper lip
depressor labii inferioris
lowers lower lip
depressor anguli oris
lowers angle of mouth
mentalis
raises chin, protrudes lower lip
temporalis
facilitates mastication, open close jaw
masseter
facilitates mastication, open close jaw
pytergoids
facilitates mastication, juts jaw forward
help remember cranial nerves
oh! oh! oh! to touch and feel very good velvet! ah! heaven!
help remember sensory motor or both
some say marry money but my brother says big brains matter most
cranial nerve I
olfactory. smell, sensory
cranial nerve II
optic. vision, sensory
cranial nerve III
oculomotor. 4 of 6 extrinsic eye muscles, motor
cranial nerve IV
trochlear. extrinsic eye muscles, motor
cranial nerve V
trigeminal. sensory fibers to the face and motor fibers to chewing muscles, both
cranial nerve VI
abducens, controls eye muscles, motor
cranial nerve VII
facial, both
