Assertion: anterior neck | /r/HasProperty | sternocleidomastoid origin
Facets:
Source sentences:
text: orbicularis oris muscle Innervation: cervical branch of facial nerve (VII) Function: depresses mandible and angle of mouth, tenses skin of lower face and anterior neck Sternocleidomastoid Origin: - sternal head: superoanterior surface of manubrium of sternum - clavicular head: superior surface of medial third of clavicle Insertion: lateral surface of mastoid process, lateral half of superior nuchal line Innervation: accessory nerve (CN XI), anterior rami of spinal nerves