left digastric
Muscular systemAbdomenLeftFMA46293
Nomenclature
left digastric
musculus digastricus (Latin)
muscolo digastrico sinistro (Italian)
Descriptionentry
Suprahyoid muscle with two bellies joined by an intermediate tendon.
Functionentry
Elevates the hyoid bone; depresses the mandible.
Originentry
Posterior belly: mastoid notch of the temporal bone; anterior belly: digastric fossa of the mandible.
Insertionentry
Hyoid bone, by the intermediate tendon.
Innervationentry
Posterior belly by the facial nerve (VII), anterior belly by the mylohyoid nerve (V3).
Blood supplyentry
Occipital and submental arteries.
Model