Name

# Thyrohyoid

Pronunciation

(thy-ro-HI-oid)

Origin/Proximal Attachment

Oblique line of the thyroid cartilage

Insertion/Distal Attachment

Inferior border of body of hyoid bone

Action/Relevance

Depresses hyoid or elevates thyroid cartilage

Innervation

Hypoglossal nerve (CN XII)

Notes

A small, quadrilateral muscle appearing like an upward continuation of the Sternothyreoideus. It arises from the oblique line on the lamina of the thyroid cartilage, and is inserted into the lower border of the greater cornu of the hyoid bone.