Muscles and Blood Vessels of the Head and Neck

the skin

where do the muscles from facial expression insert?

facial nerve

what nerve innervates the facial muscles of expression?

frontalis, occipitalis, orbicularis oculi, orbicularis oris, buccinator, and platysma mm.

what are the muscles of facial expression?

facial nerve

what nerve does the temporal, zygomatic, buccal, marginal mandibular, and cervical split off of?

frontalis m.

what muscles draws scalp anteriorly, raises eyebrows, and wrinkles forehead?

occipitalis m.

what muscle has the action of drawing scalp anteriorly?

epicranial aponeurosis

what flat tendon connects the frontalis and occipitalis muscles?

orbicularis oculi m.

what muscle has the action of closing the eye?

orbicularis oris m.

what muscles has the action of closing the mouth and protruding the lips?

buccinator m.

what muscle has the action of pressing the cheek against the teeth?

platysma m.

what muscle has the action of tensing the skin of the neck?

masseter, temporalis, medial pterygoid, and lateral pterygoid mm.

what are the muscles of mastication?

temporalis m.

what muscle has the action of elevating and retracting the mandible?

masseter m.

what muscle has the action of elevating the mandible?

lateral pterygoid m.

what muscle has the action of depressing, protracting, and moving the mandible side to side?

medial pterygoid m.

what muscle has the action of elevating, protracting, and moving the mandible side to side?

mandibular division

what nerve innervated all the muscles of mastication?

trapezius and sternocleidomastoid mm.

what muscles make up the neck muscles?

accessory nerve

what nerve innervates the neck muscles?

sternocleidomastoid m.

what muscle has the action of bilaterally flexing neck and unilaterally moving head from side to side?

mylohyoid, digastric, stylohyoid, and geniohyoid mm.

what muscles make up the suprahyoid muscles?

mylohyoid, digastric, stylohyoid, and geniohyoid mm.

what muscles have the action of elevating the hyoid bone for swallowing?

sternohyoid, omohyoid, sternothyroid, and thyrohyoid mm.

what muscles make up the infrahyoid muscles?

sternohyoid, omohyoid, sternothyroid, and thyrohyoid mm.

what muscles have the action of depressing the hyoid bone for swallowing?

common carotid a.

what artery splits into the internal and external carotid aa?

internal carotid a.

what artery gives off no branches and gives anterior circulation of the brain?

external carotid a.

what artery gives off many branches and supplies blood to the external neck and face?

vertebral a.

what artery branches off the subclavian artery and forms posterior circulation of the brain?

internal jugular v.

what vein is deep to the sternocleidomastoid muscle?

external jugular v.

what vein is superficial to the sternocleidomastoid muscle?

external jugular v.

what vein returns blood flow from in the skull?

internal jugular vein

what vein drains the dural venous sinuses back to the heart?