1296393
Description
Mind Map by Nikhil Dhall, updated more than 1 year ago
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Created by Nikhil Dhall
about 10 years ago
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Cranial Bones
- Frontal
- supraorbital margin
"ridge" - ridge on top of
eye socket. Can break
blood vessels here
forming black eye
- Supraorbital foramen -
small hole on ridge for
nerves and blood vessels
- Orbital surface - forms top of eye socket
- frontal sinuses - cavities of
air cells in bone. Located
in bridge of nose by
forehead and eyebrows.
- supraorbital margin
"ridge" - ridge on top of
eye socket. Can break
blood vessels here
forming black eye
- Parietal
- Superior temporal line
- inferior temporal line
- Superior temporal line
- Temporal
- zygomatic process - forms
half of cheek bone and joins
with temporal process on
zygomatic bone
- mastoid process - bump behind your
ear. Sternocleidomastoid attachment
point. Has air cells (sinus) that
connect with middle ear.
- styloid process - very pointy
downwards. Attachment point
for many ligaments and
muscles.
- external acoustic
meatus - large hole
that opens to external
ear canal and ends at
ear drum.
- Internal acoustic meatus
- visible in sagittal view.
Where nerve for balance
exits
- Mandibular fossa - jaw
joint under zygomatic
process.
- Stylomastoid foramen -
Facial nerve CN 7 near
mastoid and styloid
process.
- Jugular Fossa (foramen) -
jugular vessel passing. Forms
Jugular foramen when joined
with occipital bone.
- carotid canal - anterior to
jugular fossa. Where
INTERNAL carotid artery
enters brain.
- Petrous portion - houses
inner ear structures for
hearing and balance.
Vestibular cochlear nerve
CN 8 passes.
- zygomatic process - forms
half of cheek bone and joins
with temporal process on
zygomatic bone
- Occipital
- Foramen magnum
- large hole that
connects spinal
cord and brain
stem
- occipital condyle -
articulates with 1st
cervical vertebrae.
Helps to nod head
- External occipital
protuberance - bump on
the back of your head.
Ligament attaches here
to 7th cervical vertebrae
to hold head upright.
- Nuchal lines -
trapezius muscle
attachment
- Hypoglossal canal
- under the occipital
condyle. Allows
passage of CN 12
to control tongue.
- Foramen magnum
- large hole that
connects spinal
cord and brain
stem
- Sphenoid
- sphenoidal sinus
- superior orbital
fissure - hole
lateral to
sphenoidal sinus.
Allows passage
for 3 ocular CN
nerves.
- optic canal - CN2
- cella tursica -
saddle for brain
on interior surface
of bone
- foramen rotundum - listed anterior to posterior
- foramen ovale
- foramen spinosum
- Greater/lesser wings
- sphenoidal sinus
- Ethmoid
- Christa Galli - forms
nasal cavity and orbit
of eye. Connects to
"seat belt" of brain.
- foramina - lots of
foramen in cribiform
plate. Olfactory nerves
CN1 and ocular CN2
pass.
- lateral masses -
contains ethnoid
sinuses (side of your
nose)
- nasal concha -
forms turbulentia
that create
turbulence in air
to help mucus
trap dust ect.
- perpendicular plate -
nasal septum (divide
bone into 2 cavities).
- Christa Galli - forms
nasal cavity and orbit
of eye. Connects to
"seat belt" of brain.
- Sutures
- Lambdoid:
occipital and
parietal bones.
Sutural bones grow
in gap.
- Coronal -
parietal and
frontal bone
- sagittal -
parietal bone
suture
- Sqamous -
parietal and
temporal bone
- Lambdoid:
occipital and
parietal bones.
Sutural bones grow
in gap.
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