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The SkullThe Skull
Raymond G Buick FRCS
16 mins
The Skull
Joints
Bones
Foramina
The Skull
cranial vault – neurocranium
facial skeleton – viscerocranium
The Skull
removing the skull cap (calvarium)
see the floor of the cranial vault
Joints in the skull
Joints in the skull
temporomandibular joint
specialised joints – sutures
Joints in the skull
temporomandibular joint
temporomandibular joint
temporomandibulartemporomandibular
jointjoint
only
moveable
joint
hinge &
gliding
movements
head of
condyle
Joints in the skull
Joints in the skull
temporomandibular joint
specialised joints – sutures
only occur in the skull
in adult – very little movement
in children – more mobile
The Skull
parietal
frontal
occipital
The Skull
parietal
frontal
sutures
The Skull
parietal
frontal
allow flexability during childallow flexability during child
birthbirth
The Skull
parietal
frontal
fontanelles
close at 18 to 24close at 18 to 24
mthsmths
The Skull
lambda
bregma
The Skull
lamdoid
suture
skull
temporal
ethmoid
parietal
frontal
occipital
sphenoid
skull
temporal
ethmoid
parietal
frontal
occipital
sphenoid
Temporal
mastoid process
squamous
temporal
zygomatic
process
mandibular
fossa
external acoustic
meatus
openings
protecting sensory organs
orbit
nasal
oral
maxilla
orbit
nasal
oral
maxillamaxilla
mandible
mandiblemandible
The Skull
frontal
parietal
temporal
mandible
zygomazygoma
The Skull
mandiblezygomazygoma
The Skull
zygomatic arch.zygomatic arch.
The Skull
zygomazygoma
suture
temporal bone
and zygoma
The Skull
zygomazygoma
suture
temporal bone
and zygoma
suture
frontal bone
and zygoma
The Zygoma
suture
temporal bone
and zygoma
suture
frontal bone
and zygoma
suture
maxilla
and zygoma
Facial Bonesnasal bones
Greater wing of
sphenoid
maxilla
mandible
zygoma
Facial Bones supra-orbital notch
nasal bones
Vomer
Nasal Septum
ethmoid
maxilla
Conchae
Eye Socket supraorbital notch
zygoma
Ethmoid
lacrimal bone
maxilla
frontal
The Skull
INSIDE
THE
CRANIUM
the floor of
the cranial
vault
The Skull
anterior cranialanterior cranial
fossafossa
posterior cranialposterior cranial
fossafossa
middle cranial fossamiddle cranial fossa
The Skull
anterior cranialanterior cranial
fossafossa
anterior cranialanterior cranial
fossafossa
middle cranial fossamiddle cranial fossa
The Skull
anterior cranialanterior cranial
fossafossa
middle cranial fossamiddle cranial fossa
posterior cranialposterior cranial
fossafossa
The Skull
sphenoidsphenoid
Sphenoid
sphenoidsphenoid
lesser wing
Sphenoid
sphenoidsphenoid
lesser wing
greater wing
Sphenoid
Sphenoid
Temporal
petrouspetrous
auditory ossicles
facial canal
auditory canal
Facial Bones supraorbital notchglabella
Greater wing of
sphenoid
Optic canal
Superior orbital
fissure
Inferior orbital
fissure
Facial Bones supraorbital notch
nasal bones
Vomer
ethmoid
Infraorbital
Foramen Conchae
Optic canal
Superior orbital
fissure
nasal septum
Mandible coronoid process
head of
condyle
Mental foramen
body
ramus
angle
anterior cranial fossaanterior cranial fossa Frontal crest
Crista galli Foramen
caecum
Cribriform
platefrontal bone
Lesser wing of
sphenoid
Anterior
clinoid
process
inside skullinside skull
foramen
rotundum
Foramen ovale
pituitary
fossa
Foramen spinosum
Foramen lacerum
dorsum sellae
posterior clinoid
process
inside skullinside skull
Transverse
sinus
Sigmoid sinus
confluence of
sinuses
foramen
magnum
hypoglossal
canal
The End
Raymond G Buick FRCS

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The Skull