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

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