Stylohyoid

The stylohyoid (Latin: musculus stylohyoideus) is a thin neck muscle stretching between the base of the skull and the hyoid bone. This muscle is located above the hyoid bone. Therefore, it is classified as the suprahyoid muscle of the neck. It also belongs to the anterior neck muscles.

Stylohyoid, Stylohyoid muscle, Suprahyoid muscles, Neck muscles, Anterior neck muscles, Head and neck muscles, Suprahyoid muscles of the neck, Stylohyoid muscle colored blue
Stylohyoid muscle by Anatomy Next
Stylohyoid
OriginStyloid process of temporal bone
InsertionBetween greater horn and body of hyoid bone
ActionElevates and retracts hyoid bone
InnervationStylohyoid branch of facial nerve (CN VII)
Blood supply Branches of facial, occipital and posterior auricular arteries

 

Origin

The origin site of the stylohyoid muscle is the styloid process of the temporal bone.

 

Insertion

The stylohyoid inserts on the junction between the greater horn and body of the hyoid bone.

 

Action

The stylohyoid muscle elevates and retracts the hyoid bone.

 

Innervation

The innervation of the stylohyoid is provided by the stylohyoid branch of the facial nerve (CN VII).

 

Blood supply

The stylohyoid muscle receives arterial blood supply from the branches of the facial, occipital and posterior auricular arteries. All mentioned arteries are branches of the external carotid artery.