Muscles of facial expression Flashcards
what bone is your cheek bone
zygoma
what bone is above your teeth
maxilla
what bone is your chin
mandible
what bone is your forehead
frontal
name the bones of the scalp from front to back
frontal
parietal
occipital
the mastoid and styloid processes are from what bone
temporal bone
what bone is infront of the temporal bone
sphenoid bone
what part of the temporal bone houses the structures of the ear
petrous part of the temporal bone
most muscles of facial expression originate and insert where
originate on facial bones and insert into the skin/connective tissue of face
how do muscles of facial expression vary between individuals
shape of the muscles varies so the origin and insertion points are approximations of where the muscles are usually found
fascia of the scalp blends with what
superficial fascia in the neck posteriorly and temporal regions laterally
the fascia of what is thicker and is an extension of a layer of deep fascia
fascia of the parotid gland
a layer of deep cervical fascia (parotid fascia) covers what muscle and invests what
covers masseter and invests the parotid gland
what muscle lies on the forehead and scalp
occipitofrontalis
what are the 2 bellies of occipitofrontalis
occipitalis
frontalis
what action does occipitofronatlis do
raise and lower eyebrows
what is the small muscle of facial expression called that moves eyebrows inferomedially (vertical wrinkles in forehead)
corrigator supercili
what muscle covers the neck and is said to contribute to facial expression as well as tightening skin on neck
platysma
platysma is said to be a remnant of what
panniculus carnosis muscle layer found in other animals