tongue Flashcards
1
Q
attachment of tongue is to what structures
A
mandible
HYOID BONE
2
Q
2 groups of muscles in tongue
A
intrinsic
extrinsic
3
Q
what are the 3 extrinsic muscles
A
stylo-glossus
hyo-glossus
genio-glossus
4
Q
3 intrinsic muscles
A
superior/inferior longitudinal
vertical
transverse
5
Q
function of each extrinsic muscle of tongue
A
stylo-glossus= life tongue up/back hyPo-glossus= pull tongue down genio-glossus= protrude tongue
6
Q
function of each intrinsic muscle of tongue
A
transverse= narrower, elongate tongue
vertical= thinner and wider tongue
superior longitudinal=tip of tongue up
inferior longitudinal= tip of tongue down
7
Q
innervation of tongue: motor function
A
HYPO-glossus nerve, XII
8
Q
innervation of tongue: sensory
A
anterior 2/3 taste= facial, GS= lingual
posterior 1/3 glossopharyngeal nerve, IX
9
Q
what ‘structure’ separates the anterior/ posterior portions of tongue
A
sulcus terminalis
