Extrinsic Muscles Of Tongue Flashcards
1
Q
What is the origin of hyoglossus?
A
Hyoid bone - horns
2
Q
What is the origin of styloglossus?
A
Temporal bone - styloid process
3
Q
What is the insertion of genioglossus?
A
Tongue - up to dorsal surface
4
Q
What is the insertion for both hyoglossus and styloglossus?
A
Lateral side of tongue
5
Q
What is the action of genioglossus?
A
Protrudes tongue
6
Q
What is the action of hyoglossus?
A
Depresses tongue
7
Q
What are the actions of styloglossus?
A
Draws tongue sup. And post.
8
Q
What is the innervation for genioglossus, hyoglossus, and styloglossus?
A
XII
9
Q
What is the origin of genioglossus?
A
Mandible - genial tubercle on inner side
