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The skull SHANDONG UNIVERSITY Liu Zhiyu
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Skull(cranium) Cerebral cranium Facial cranium division:
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paired:temporal bone 、parietal bone
(一) Cerebral cranium paired:temporal bone 、parietal bone unpaired:frontal bone 、 Sphenoid bone ethmoid bone、Occipital bone 、 ethmoid bone Sphenoid bone frontal bone Frontal bone parietal bone temporal bone Occipital bone temporal bone
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1、 Ethmoid Bone Cribriform Division Perpendicular plate
Ethmoidal labyrinths Ethmoid Bone Ethmoidal labyrinths Cribriform plate Crista galli Perpendicular plate
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2、 Sphenoid Bone Body Lesser wing Greater wing Pterygoid process
Anterior view Posterior view
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3、 Temporal Bone Squamous part Tympanic part Petrous part
mastoid process 乳突 styloid process 茎突 Mandibular fossa Squamous part Zygomatic arch Petrous part mastoid process Tympanic part styloid process Internal view external view
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Maxilla 、zygomatic bone 、 nasal bone 、Lacrimal bone、
(二)facial cranium : (15块) paired: Maxilla 、zygomatic bone 、 nasal bone 、Lacrimal bone、 palatine bone、inferior nasal bone nasal bone zygomatic bone Lacrimal bone maxilla inferior nasal bone palatine bone
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mandible、 Vomer 、hyoid bone
(二)facial cranium : (15块) unpaired: mandible、 Vomer 、hyoid bone Vomer mandible
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1、 Mandible Body of mandible Ramus of mandible Mandibular foramen
Coronoid process Head of mandible Condylar process Neck of mandible Mandibular foramen Alveolar arch Ramus of mandible Angle of mandible下颌角 Body of mandible Mental foramen Base of mandible
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1、The superior aspect of skull
(三) Coronal suture 1、The superior aspect of skull Sagital suture Lambdoid suture
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2、The posterior aspect of skull
Lambdoid suture External occipital protuberance
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3、The internal surface of the bassse of skull
Anterior cranial fossa Middle cranial fossa Posterior cranial fossa
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Crista galli Cribriform plate Cribriform foramen Superior orbital fissure Optic canal Foramen rotundum Hypophysial fossa Foramen ovale Foramen lacerum Foramen spinosum Dorsum sellae Trigeminal impression
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Posterior cranial fossa
Clivus Jugular foramen Internal acoustic pore Hypoglssal canal Sulcus for sigmoid sinus Foramen magnum Sulcus for transverse sinum Internal occipital protuberance
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4、The external surface of the base of skull
Bony plate vomer foramen ovale external opening of carotid canal Foramen spinousum Jugular Foramen Styloid process Occipital condyle Foramen magnum
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Foramen lacerum Articular tubercle Mandibular fossa
Incisive foramina Greater palatine foramen Foramen lacerum Articular tubercle Mandibular fossa External acostic pore Mastoid process Stylomastoid foramen
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External acoustic pore
Temporal fossa Infratemporal fossa Pterygopalatine fossa Temporal fossa pterion External acoustic pore Zygomatic arch mastoid process
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fossa for Lacrimal gland
Supreaorbital notch Optical canal视神经管 (1) Orbit : Base Apex Walls : superior medial inferior lateral Superior orbital fissure Inferior orbital fissure Fossa for lacrimal sac Infraorbital groove Infraorbital canal
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bony nasal septum : formed by
(2) Bone nasal cavity bony nasal septum : formed by vomer perpendicular plate of ethmoid. perpendicular plate of ethmoid vomer
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Bone nasal cavity Roof : cribriform plate Floor :Bony palate
Lateral wall : Superior concha Middle concha Inferior concha Superior meatus Middle meatus Inferior meatus Superior meatus Middle meatus Inferior meatus
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(3) Paranasal Sinuses : 1)Frontal Sinus 2)Ethmoidal Sinuses
3)Sphennoidal Sinus 4)Maxillary Sinus Sphennoidal Sinus Ethmoidal Sinuses Frontal Sinus Maxillary Sinus
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Cranial Fontanelles Anterior fontanelle Posterior fontanelle
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Lesser wring Body of sphenoid Greater wing
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palatine bone
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2、 Hyoid Bone Greater horn 小角 Lesser horn Body of hyoid bone
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Perpendicular plate Horizontal plate
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The connection of the orbit
Optic canal Superior orbital fissure . middle craniual fossa nasolacrimal canal nasal cavity Infreorbitalfissure pterygopalatine fossa infratemporal fossa Infraorbital canal infraorbital foramen face
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