Hyoglossus Muscle: Attachments And Function

Hyoglossus Muscle: Attachments And Function

Describe the origin, insertion, nerve supply and actions of the hyoglossus muscle.
Answer.

It is the key muscle of the submandibular region.

Hyoglossus Muscle Origin From the greater cornu and lateral part of the body of the hyoid bone.

Hyoglossus Muscle Insertion Fibres run upwards and forward to be inserted into the side of the tongue. The styloglossus muscle interlaces at its insertion.

The Hyoglossus Muscle Nerve supply the Hypoglossal nerve (CN 7).

Hyoglossus Muscle Action Depresses the tongue to make its dorsum convex.