颅脑解剖(精美图片)
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Occipital
Transverse
Sigmoid
CAVERNOUS SINUS & CONTENTS
Pituitary Gland
CN III
CN IV
CN VI
CN V1
Internal Carotid
?CN V2wk.baidu.com
Cavernous sinus
Superior ophthalmic vein Angular vein
Sphenoid
Temporal Middle
Parietal Posterior Occipital
CN I CN III CN IV CN V1 CN VI CN V2 CN V3
CN II CN VII CN VIII
CN IX CN X CN XI
CN XII
Extracranial Emissary
Sphenoparietal
Cavernous
Superior Petrosal
Basilar
Sigmoid
Straight
Transverse
Confluence
Superior Sagittal
Dural Sinuses
Inferior Sagittal Great Cerebral Sup/Inf Petrosal Straight Confluence
Diploic
Cerebral
Dural Venous Sinus
emissary v. diploic veins
Tentorium cerebelli
Cranial Venous Sinuses
DURAL VENOUS SINUSES
Superior Sagittal Sinus
Basilar Vertebral
Cranial Cavity
R. Shane Tubbs, MS, PA-C, Ph.D.
Anterior Cranial Fossa
Middle Cranial Fossa
Posterior Cranial Fossa
Bones Frontal Ethmoid
CRANIAL FOSSAE
Anterior
Danger triangle of face Normally blood drains from medial angle of the eye, nose and lips – into facial vein Because facial veins don’t have valves blood can drain into cavernous sinus.
Cerebral Blood Supply
Cerebral Arterial Circle (of Willis) Anterior Communicating
Anterior Cerebral
Internal Carotids
Middle Cerebral Posterior Communicating Posterior Cerebral
Inferior ophthalmic vein
Pterygoid venous plexus
Facial vein
Maxillary vein Retromandibular vein
Deep facial vein
Connections of facial vein
• Directly to cavernous sinus by superior ophthalmic vein or inferior ophthalmic vein • Indirectly by pterygoid venous plexus by inferior ophthalmic vein or deep facial vein