Muscles of the tongue

Question 1

Genioglossus

Answer 1

Attachments: from the superior genial tubercle to the hyoid (body), middle constrictor & length of the ventral aspect of the tongue

Function: protrusion of the tongue

Innervation: hypoglossal n.

Blood supply: deep lingual & sublingual a.

Question 2

Hyoglossus (G. glossa, tongue)

Answer 2

Attachments: from the greater cornu & body of the hyoid to the lateral aspect of the tongue

Function: depression of the tongue

Innervation: hypoglossal n.

Blood supply: submental & sublingual a.

Question 3

Styloglossus

Answer 3

Attachments: from the styloid process to the lateral base of the tongue

Function: elevation & retraction of the tongue

Innervation: hypoglossal n.

Blood supply: sublingual a.