left platysma
Muscular systemNeckLeftFMA45740
Nomenclature
left platysma
musculus platysma (Latin)
muscolo platisma sinistro (Italian)
Descriptionentry
Thin superficial muscle of facial expression in the anterior cervical region.
Functionentry
Depresses the angle of the mouth and tenses the skin of the neck.
Originentry
Superficial fascia of the subclavicular and acromial regions.
Insertionentry
Lower border of the mandible and skin of the chin and cheek.
Innervationentry
Cervical branch of the facial nerve (VII).
Blood supplyentry
Submental artery.
Model