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The skullThe skull

SHANDONG UNIVERSITY

Liu Zhiyu

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Skull(cranium)

division: Cerebral cranium

Facial cranium

Cerebral cranium

Facial cranium

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（一） Cerebral cranium

paired ： temporal bone 、 parietal bone

unpaired ： frontal bone 、 Sphenoid bone

ethmoid bone 、 Occipital bone

、

temporal bone

parietal bone

ethmoid bone

temporal

bone

Occipital bone

Occipital bone

frontal bone

Frontal boneSphenoid bone

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1 、 Ethmoid Bone

Division

Cribriform

Perpendicular plate

Ethmoidal labyrinths

Cribriform plate

Perpendicular plate

Ethmoidal labyrinthsCrista galli

Ethmoid Bone

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2 、 Sphenoid Bone

Body

Lesser wing

Greater wing

Pterygoid process

Lesser wing

body

greater wing

Pterygoid process

Anterior view Posterior view

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3 、 Temporal Bone

Squamous part

Tympanic part

Petrous part

Tympanic part

Petrous part

mastoid process

styloid process

mastoid process 乳突 styloid process 茎突 Mandibular fossa

Squamous part

Internal view external view

Zygomatic arch

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（二） facial cranium ： （ 15 块）

paired ： Maxilla 、 zygomatic bone 、

nasal bone 、 Lacrimal bone 、

palatine bone 、 inferior nasal bone

maxilla

zygomatic bone

nasal bone

palatine bone

Lacrimal bone

inferior nasal bone

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（二） facial cranium ： （ 15 块）

mandible 、 Vomer 、 hyoid bone

Vomer

mandible

unpaired ：

1 、 Mandible

Body of mandible

Ramus of mandible

Mental foramen

Coronoid process

Neck of mandible

Angle of mandible 下颌角

Mandibular foramen

Head of mandible

Alveolar arch

Body of mandible

Ramus of mandible

Base of mandible

Condylar process

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Coronal suture（三）1 、 The superior aspect of skull

Lambdoid suture

Sagital suture

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2 、 The posterior aspect of skull

External occipital protuberance

Lambdoid suture

3 、 The internal surface of the bassse of skull

Anterior cranial fossa

Middle cranial fossa

Posterior cranial fossa

Crista galliCribriform plate

Cribriform foramen

Hypophysial fossa

Optic canal

Dorsum sellae

Superior orbital fissure

Foramen lacerum

Foramen ovale

Foramen spinosum

Trigeminal impression

Foramen rotundum

Foramen magnum

Hypoglssal canal

Sulcus for transverse sinum

Sulcus for sigmoid sinus

Jugular foramen

Internal acoustic pore

Posterior cranial fossa

Internal occipital protuberance

Clivus

4 、 The external surface of

the base of skull Bony plate

vomer foramen ovale

Foramen spinousum

Foramen magnum

Occipital condyle

external opening of

carotid canal

Jugular

Foramen

Styloid process

Mastoid process

External acostic pore

Mandibular fossa

Articular tubercle

Foramen lacerum

Incisive foramina

Stylomastoid foramen

Greater palatine foramen

External acoustic pore

mastoid process

Zygomatic arch

pterion

Temporal fossa

Infratemporal fossa

Pterygopalatine fossa

Temporal fossa

（ 1 ） Orbit ：

Base

Apex

Walls ：

superior

medial

inferior

lateral

Supreaorbital notch

Infraorbital canal

Optical canal视神经管

fossa for Lacrimal gland

Fossa for lacrimal sac

Inferior orbital fissure

Superior orbital fissure

Infraorbital groove

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（ 2 ） Bone nasal cavity bony nasal septum ： formed by

perpendicular plate of ethmoid vomer

vomer

perpendicular plate of ethmoid.

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Roof ： cribriform plate

Floor ： Bony palateLateral wall ：

Superior concha

Middle concha

Inferior concha

Superior meatus

Middle meatus

Inferior meatus

Inferior meatus

Middle meatus

Superior meatus

Bone nasal cavity

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（ 3 ） Paranasal Sinuses ：1 ） Frontal Sinus

2 ） Ethmoidal Sinuses

3 ） Sphennoidal Sinus

4 ） Maxillary Sinus

Frontal Sinus

Maxillary Sinus

Sphennoidal Sinus

Ethmoidal Sinuses

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Cranial Fontanelles

Anterior fontanelle

Posterior fontanelle

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Lesser wring

Greater wing

Body of sphenoid

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palatine bone

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2 、 Hyoid Bone

Greater horn

小角

Body of hyoid bone

Lesser horn

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Horizontal plate

Perpendicular plate

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The connection of the orbit

Optic canal

Superior orbital fissure .

nasolacrimal canal nasal cavity

Infreorbitalfissure pterygopalatine fossa

infratemporal fossa

Infraorbital canal infraorbital foramen

face

middle craniual fossa

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