Muscles Promoting Tonge Mvmts Flashcards
1
Q
What muscle protracts the tongue?
A
Genioglossus, originating near mandibular symphysis and fans out to insert at inferior tongue and body of hyoid bone.
2
Q
What muscle depresses the tongue?
A
Hyoglossus, originating from the body & greater horn of hyoid bone to lateral inferior aspect of tongue.
3
Q
What muscle retracts and elevates the tongue?
A
Styloglossus, originating from styloid process of temporal bone to lateral inferior aspect of tongue.
4
Q
What nerve innervates the extrinsic tongue muscles?
A
Cranial XII (Hypoglossal Nerve)
