muscles of head and neck Flashcards
a sphincter muscle arranged around the upper and lower eyelids
orbicularis oculi
a long and wide muscle of the scalp, from the frontal to occipital bone aka epicranius
Occipitofrontalis
a complex sphincter muscle surrounding the mouth
Orbicularis oris
overlies the frontal bone and has no bony attachments
frontal belly of occipitofrontalis
muscle which covers the occipital part of the skull
Occipital belly (OB) of occipitofrontalis muscle (epicranius)
connects frontal belly and occipital belly of occipitofrontalis
epicranial aponeurosis
a fan-shaped muscle which runs from the side of the skull to the back of the lower jaw
temporalis
a paired facial muscle that extends between the zygomatic bone and the angle of the mouth
zygomaticus major and minor
zygomaticus minor’s location is
inferior to orbicularis oculi
narrow, horizontal bundle of muscle fibers inferior to the zygomaticus
risorius
a flat, thin muscle in the wall of the cheek
buccinator
runs through the rear part of the cheek and closes the jaw in chewing
masseter
paired central muscle of the lower lip, situated at the tip of the chin
mentalis
long muscles connecting the sternum, clavicle, and mastoid process of the temporal bone
sternocleidomastoid
most superficial muscle of the neck. Covers other muscles found in the neck
platysma
