Skull Bones and Landmarks
description
Transcript of Skull Bones and Landmarks
SKULL%BONES%
Frontal bone
Supraorbital
Parietal bone Tcmp0ra| fossaCoronal suture. \
Pterion, \ \ Superior temporal lineInferior temporal line
Temporal bonenotch (foramen)
Glabella
Ethmoid bone
Lacrimal bone
Nasal bone-
Sphenoid bone
Zygomatic boneMaxilla
Mandible
\
\
\
Frontal bone
Glabella
Supraorbitalnotch (foramen)
Orbital surface
Nasal bone
Lacrimal bone
Zygomatic bone
Maxilla
Occipitalbone
Groove for
superiorsagittal sinus
. . Frontal crest
Frontal bone\Groove for anterior
meningeal vesselsForamen cecum
Superior surface of orbital partEthmoid bone-
Crista galli
Cribriform plate*
Coronal suture
Parietal bone
Sphenoid bone
Temporal bone
Ethmoid bone
inferior nasal com ha
Vomer
a
SKULL%BONES%
Superior view
Inferior view
- S~
Frontal crest
Frontal bone
Groove for
superiorsagittal sinus
Frontal bone
Coronal suture
BregmaParietal bone
Sagittal suture
Parietal foramen
(for emissary vein)
Lambda
Lambdoid suture
Coronal suture
Parietal bone
Granular foveolae
(for arachnoid granulations)V: Diploe- Grooves for branches of
middle meningeal vessels
Grooves for
Sagittal suture branches of middle
Lambdoid suture
Occipital bone Coronalsuture
Occipital bone
Parietal bone
Temporal bone
Sphenoid bone
Frontal bonefrontal sinus
Ethmoid bone
Crista galliCribriform plate
Perpendicular plate -Nasal bone
Inferior nasal concha
Maxilla
/
r .
]Palatine bone
Vomer
Internal
acoustic meatus
Lambdoid
suture
; Occipitalbone
LANDMARKS%
pterion: point of temporal, sphenoid and parietal bones
bregma: point of coronal and saggital sutures
nasion: frontonasal suture
Craniomefric Points. Lateral View
pterion
frontotemporale
glabella
nasion
ectoconchion
FRANKFORT PlANE-orbitale to porlon
olarenasospinale
prosthlonalveolare
incision 'Infradentale
pogonlon
vertexDieama apex
1
lambda
opisthocranion
condylion
mastokjale
ectomolare
- gonlon
MANDIBLE%
Condylar processCoronoid process
Mylohyoid groove
Oblique lineSubmandibular fossa
Mylohyoid
Sublingual fossa
Interalveolar septa.vi
Head
Pterygoid foveaNeck
M<indil)ul<ir nott h
I inyulaMandibular foramen
Ramus
Alveolar part (crest)
Mental protuberanceMental tubercle
Base of mandible
rI
i
A/
/
/
Angl
Body
Mandible of adult:
anterolateral superior view
Coronoid process.Head.Neck
Mandibular notch
Pterygoid fovea
Mylohyoid lineRamus
rI/
ly Condylar processy' -Lingula
Mandibular foramen
Mylohyoid groove
Angle
Submandibular fossav
Mandible of adult:
left posterior view
Sublingual fossa-Digastric fossa
Mental spines
MAXILLA%
Frontal bone
Nasal bone
Lacrimal bone
Zygomatic bone
Parietal bone
Sphenoid bone-
Temporal bone
Ethmoid bone
Inferior nasalconcha
Maxilla
Zygomatic process
Orbital surface
Infraorbital foramen
Frontal process
Alveolar pn
¥..
....
rVomer
MandibleV
Central incisors
Incisive lossaLateral incisors
Canines
ftilatine process ofmaxilla I si premolars
IB
2nd premolars
-1 st molarsV
JV
la
IK
Anterior nasal spine
Horizontal plate ofpalatine bone
2nd molars
3rd molars
Greater and lesser palatine| foramina
Upper permanent teeth4
OCCIPITAL%
Frontal bone
Temporal boneEthmoid bone
Lacrimal bone
Nasal bone
Sphenoid bone
Zygomatic bone
Maxilla
Mandible-
V
Parietal bone
Occipital bone
External occipital protuberance
Transverse palatine suture
Zygomatic bone JFrontal bone
Sphenoid bone
Temporal bone
Jugular fossa (jugularforamen in its depth)
.2
Parietal bone
Occipital bone
Hypoglossal canaPOccipital condyle'
Condylar canal and fossa'Basilar part'
Inferior nuchal line'
Superior nuchal lineExternal occipital protuberance
Maxilla
Palatine bone
Vomer
\- Pharyngeal tubercle
Foramen magnum
External occipital c rest
f
SPHENOID%
Sellaturcica -
Sphenoid boneLesser wing
Anterior clinoid processGreater wing
Groove for middle meningealvessels (frontal branches)
Body Jugum
Prechiasmatic grooveTuberculum sellae
Hypophyseal fossaDorsum sellae
Posterior clinoid process
Carotid groove (for int. carotid a.)
Parietal bone Temporal bone
Frontal bone
Ethmoid bone.tilX
with
o
Occipital bone
Clivus
Pterygoid process-
Frontal bone
Sphenoid bone
I lamulus
Medial platePterygoid fossa
Lateral plateScaphoid fossa
Greater wingForamen ovale
Foramen spinosumSpine
Temporal bone
Vomer
T
-
-
Maxilla
Palatine bone
Zygomatic bone
Occipital bone
ZYGOMATIC%TEMPORAL%
temporal process
styloid process
I'tcrion
Frontal boneN
Sphenoid bone
Ethmoid bone,.
Lacrimal bone - N, \
Nasal bone
Maxilla-
Zygomatic bone
Parietal
bone
V
Temporal boneSquamous part
Zygomatic processArticular tubercle
External acoustic meatus
-jf-Mandible
Mastoid processLambdoid suture
Occipital bone
-I
Temporal bone
Squamous part
Petrous partGroove for lesser petrosal n.
Groove for greater petrosal n.-Trigeminal impression.
Arcuate eminence-
Groove for superior petrosal sinusGroove for sigmoid sinus
[Zygomatic bone
Frontal bonev \Sphenoid bone
Temporal boneZygomatic processArticular tubercle
Mandibular lussciNStyloid process
Petrotympanic fissureCarotid canal (external opening)
Tympanic canaliculusExternal acoustic meatus
Mastoid processStylomastoid foramen
Petrous partMastoid notch (for digastric m.)
Occipital groove (for occipital a.)Jugular fossa (jugular foramen in its depth)
Mastoid foramenParietal bone
1
Maxilla
Palatine bone
Vomer
Foramen lacerum
Groove for pharyngotympanic(auditory) tube
C\- ' with
Occipital bone