Muscles of the Tongue

Question 1

Genioglossus

Answer 1

upper genial tubercle

lower fibers: body of hyoid; middle fibers: lower tongue; upper fibers: tip of tongue

brings tongue forward to protrude tip from mouth

XII

Question 2

Hyoglossus

Answer 2

greater cornu of hyoid

sides of tongue

depresses posterior tongue

XII

Question 3

Styloglossus

Answer 3

anterior border of styloid process

sides of tongue

pulls tongue up and posteriorly

XII

Question 4

Superior longtiudinals

Answer 4

submucosa of posterior tongue

tip of tongue, uniting with same muscle
of opposite side

shortens tongue while rendering its superior surface concave

XII

Question 5

Inferior longitudinals

Answer 5

under surface of tongue between genioglossus and hyoglossus

tip of tongue, blends with styloglossus

shortens tongue while rendering its superior surface convex

XII

Question 6

Transversus linguae

Answer 6

median fibrous septum of tongue

dorsum and sides of tongue

narrows and elongates tongue

XII

Question 7

Verticalis lingulae

Answer 7

mucous membrane on dorsum of tongue

from dorsum to undersurface of tongue

flattens and widens tongue

XII