Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
what are the functions of cranial/ facial bones |
cranial: *hold/protect brain *house ear ossicles (cavities for orbits/ears) *muscle attachment for jaw, neck & facial muscles facial *forms basic facial structure *supports entrances to digestive & respiratory systems |
|
|
which bone does these landmarks belong to? define the landmarks
1. external auditory meatus 2. mastoid process 3. styloid process |
temporal bone external: ear canal mastoid: inferior to external auditory meatus, attachment point for certain neck muscles styloid: sharp narrow stick, attachment of ligaments & muscles for tongue |
|
|
which bone does these landmarks belong to? define the landmarks 1. occipital condyle 2. foramen magnum 3. external occipital protuberance |
occipital bone occipital: articulates with atlas (spinal cord) foramen: brain stem external: attachment for ligamentum nuchae, keeps head steady |
|
|
define sutures of the skull and identify the 4 types |
def: connects bone & skull, immovable fibrous joints sagittal suture: connects parietal coronal suture: connects frontal to both parietals squamous suture: parietal, temporal lambdoid suture: partietal, occipital |
|
|
what is the keystone bone? why is it the keystone bone |
sphenoid bone that articulates w/ all cranial bones |
|
|
what is the sella turcica & optic foramen? what bone does this belong to? |
sellia: houses pituitary gland optic: a whole for nerves for eye passing through sphenoid bone sphenoid bone |
|
|
to which bone those these bony landmarks belong to? 1. crista galli 2. cribriform plate 3. superior & middle nasal conchae |
ethmoid 1. crista galli: connective tissue points, membrane attachment points (hat) 2. cribriform plate: contains olfactory foramina 3. superior & middle nasal conchae: filtration, mucus membrane |
|
|
what makes up the facial bones? |
2 lacrimal bones 2 nasal bones 2 inferior nasal conchae 1 mandible 2 maxilla bone 2 palatine bone 2 zygomatic bone 1 vomer |
|
|
fxn of occipitofrontalis |
moves scalp (raises eyebrow in shock) |
|
|
orbicularis oculi |
blinkin/closing eyes |
|
|
zygomatic major/minor |
elevate mouth, raise mouth corners (smiling) |
|
|
levator palpebrae |
opens eye (antagonist to orbicularis oculi
|
|
|
orbicularis oris: |
closes mouth |
|
|
buccinator |
presses cheeks into mouth |
|
|
masseter |
chewing/closing mouth |
|
|
temporalis |
base in temporal bone, elevates mandible |
|
|
TMJ |
elevate, depress, protract retread of mandible |
|
|
superior rectus |
elevation of eyeball back into orbital cavity |
|
|
inferior rectus |
depression of eyeball |
|
|
lateral rectus |
abduct |
|
|
medial rectus |
adduction |
|
|
superior oblique |
depress, abduct, intorsion |
|
|
inferior oblique |
elevate, adduct, extorsion |
