Download The Skull

The Skull
主讲：李文春
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The skull
The skull contains
23 bones .The skull is
is divided into two
parts :cerebral
cranium and facial
cranium
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(一）The cerebral cranium
The cerebral cranium
consists of eight cranial
bones .
one frontal
one ethmoid
one sphenoid
one occipital
two parietal
two temporal
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(二）The facial cranium
The facial cranium are
fifteen in number.
maxilla
palatine
paired zygomatic
bones
nasal
lacrimal bones
inferior nasal conchae
vomer
Unpaired mandible
bones
hyoid
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(二）The facial cranium
1. The mandible
angle of mandible
2. The hyoid
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(三）The skull as a whole
1.The superior aspect of
the skull
coronal suture
sagittal suture
lambdoid suture
2.The posterior aspect of
the skull
external occipital protuberance
superior nuchal line
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(三）The skull as a whole
3.The internal surface of
the base of skull
It is divided into three
fossa. These are the
anterior,the middle and
the posterior cranial fossa.
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3.The internal surface of the base of skull
(1) The anterior cranial fossa
frontal crest
foramen cecum
crista galli
cribriform plat
cribriform foramina
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3.The internal surface of the base of skull
(2) The middle cranial fossa
hypophysial fossa
optic canal
anterior clinoid process
dorsum sellae(鞍背）
posterior clinoid process
superior orbital fissure
foramen lacerum(破裂孔）
foramen rotundum
foramen ovale
foramen spinosum
sulcus for middle meningeal artery
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3.The internal surface of the base of skull
(3) The posterior cranial fossa
foramen magnum
hypoglossal canal
internal occipital protuberance
sulcus for superior sagittal sinus
sulcus for transverse sinus
sulcus for sigmoid sinus
jugular foramen
internal acoustic pore
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4.The external surface of the base of skull
alveolar arch
incisive foramina
greater palatine
posterior nasal apertures
occipital condyle
hypoglossal canal
jugular foramen
styloid process
stylomastiod foramen
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5.The lateral view of skull
external acoustic pore
mastoid process
zygomatic arch
temporal fossa
infratemporal fossa
pterion
infratemporal fossa
pterygopalatine fossa
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6.The front view of skull
(1) the forehead
superciliary arch
(2) the orbits
① orbital opening
眉的形态与美容
的关系
supraorbital foramen (notch)
inferiorrbital foramen
② orbital apex:optic canal
③ superior wall:lacrimal fossa
④ medial wall: lacrimal sac fossa,
nasolacrimal canal
⑤ inferior wall: inferiorrbital fissure
⑥ lateral wall: superiorrbital fissure
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6.The front view of skull
(3) the bony nasal cavity
nasal septem
superior
middle conchae
inferior
superior
middle
meatus
inferior
sphenoethmoidal recess
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6.The front view of skull
(4) the paranasal sinuses
① the frontal sinuses
② the ethmoidal sinuses
③ the sphenoidal sinuses
④ the maxillary sinuses
(5) the oral cavity
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(四）The skull at birth
anterior fontanelle
posterior fontanelle
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