GA2 - the skull Flashcards
skull is composed of ___ and ___ bones articulating with each other forming immovable fibrous joints called _____
flat
irregular
sutures
sutures are ____ joints
synarthrotic
TMJ is a condyloid type of ___ joint
snovial
2 divisions of the bones of the skull
neurocranium
viscerocranium
neurocranium consists of ___ bones which ___ and ___ the brain
8
surround
protect
8 bones of the neurocranium
frontal parietal - 2 temporal - 2 occipital ethmoid sphenoid
viscerocranium consists of ___ bones which make up the bulk of the ____
14
face
viscerocranium also surrounds the ___ and ___ openings
digestive
respiratory
14 bones of the viscerocranium
nasal - 2 lacrimal - 2 vomer inferior conchae - 2 zygomatic - 2 maxillae - 2 palatine - 2 mandible
bones of the anterior view of the skull (5)
frontal nasal maxilla zygomatic bones of the orbit and nasal cavities
sutures are generally named for the ____ bones
articulating
frontal eminences
- ___ view of the skull
- ___ ossification center
- on the ____
anterior
primary
forehead
parietal eminences
- ___ view of the skull
- ___ ossification center
anterior
primary
superficial ciliary arches are above the ____ on the ___ view of the skull
eyebrows
anterior
glabella
- where the _____ arches meet
- ___ view of the skull
superciliary
anterior
glabella is ____
hairless
glabella above the bridge of the ___
nose
nasion
- below ____
- for purposes of ____
glabella
neurosurgery
point where internasal suture and frontonasal suture meet
nasion
supraorbital notch/foramen on the ____
brow
infraorbital foramen under the ____ foramen
orbital
anterior nasal aperatures
- shape?
piriform aperature
zygomaticofacial foramen
- ___ surface of zygomatic bone
- transmits NAV; branch of the ___ nerve
external
trigeminal
zygomaticotemporal foramen
- ___ surface of zygomatic bone
internal
mental foramen
- on ___
- branches of the ____ nerve
mandible
trigeminal
trigeminal nerve has branches coming through 3 foramina
mental
supraorbital
infraorbital
trigeminal provides ___ to the face
sensory
bones of the posterior view of the skull (3)
parietal
occipital (squamous portion)
temporal (mastoid process)
sutures of the posterior view of the skull (3)
sagittal
lambdoidal
occipitomandibular
sagittal sutures are where the ___ bones come together
parietal
lambdoidal suture is where the ___ and __ bones come together
parietal
occipital
occipitomastoid suture is between the ___ and ___ bones
occipital
mastoid
lambda is where the ___ and ____ sutures come together
saggital
lambdoidal
inion is the tip of the ___ ___ ___
external occipital protuberance
vertex
highest point of the skull
parietal foramina
- connects the ___ veins and ____ veins
external
internal
bones of the lateral view of the skull (9)
frontal nasal maxilla zygomatic mandible sphenoid parietal temporal occipital
sutures of the lateral view of the skull
coronal lambdoidal occipitomastoid squamousal rest are named after the articulating bones
temporal fossa are for the ___ muscle
temporalis
pterion is the meeting point of 4 bones
frontal
temporal
parietal
sphenoid
pterion is the former site of the ___ ___ fontanel
anterior lateral
pterion is susceptible to ___
fracture
fracture of the pterion can rupture the ___ ___ artery
middle meningeal
bleeding of the middlen meningeal artery causes a ___ ___
epidural hematoma
rupture of the middle meningeal artery on the left side causes damage to ___ area
brocca’s
asterion is the former site of the ___ ___ fontanel
posterior lateral