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22 Cards in this Set
- Front
- Back
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3 layers of the brain
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Dura Matter, Arachnoid, Pia Matter
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Innervation of Dura
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V1, V2,V3
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Blood supply of Dura
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middle meningeal from maxillary
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2 layers of dura
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Periosteal
Meningeal |
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location of dural sinuses
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b/w periosteal and meningeal
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List Dural Reflections
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1. Falx Cerebri
2. Tentorium Cerebelli 3. Falx Cerebelli |
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Falx Cerebri
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Seperate 2 halves of cerebrum
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Tentorium Cerebelli
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Seperates cerebrum from cerebellum
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Falx Cerebelli
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seperates 2 cerebral hemisphers
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Arachnoid layer description
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Spider-weblike, cannot seperate pia matter from arachnoid
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Dural Venous Sinuses
where? valve? from? CSF? |
b/w periosteal and meningeal
valvless blood from brain via arachnoid granulations |
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Intracranial Dural Venous sinuses drain into the...
connects with the... |
internal jugular vein
internal vertebral venous plexus |
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Veins in the brain
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1. Sup. Sagittal sinus
2. Inferior sagittal sinus 3. straight sinus 4. confluens of sinuses 5. transverse sinus 6. Cavernous sinus<--opthalmic veins 7.inferior/superior petrous veins |
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Arachnoid Granulations
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Protrude from meningeal of dura into dural venous sinuses
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Cavernous Sinus
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connects to basilar sinus, recieves flow from opthalmic,
connects of pterygoid sinus, connects to sup/inf petrosal sinus |
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Sup. Petrosal Sinus
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along margin of petrosal of temporal bone
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Basilar Sinus
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located on basilar surface of occipital bone. Connects cavernous, inferior petrosal, and internal vertebral venous plexus though the foramen magnum
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Inferior Petrosal Sinus
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Located at jxn of petrous/temporal bone,
connects cavernous/basilar directly with internal jugular vein |
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Sigmoid sinus
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connects: transverse, inf/sup petrosal, straight sinus
posterior |
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Occipital Sinus
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runs in the base of falx cerebelli, connects to the internal vetrbral plexus through the FORAMEN MAGNUM
clinical pathway for infection |
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Main Arteries to cranium
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common carotid, vetebral carotid
internal carotid and vetebral supply inside |
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Circle of Willis
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A. Communicating
A. cerebral Interal carotid P. Cerebral P. Communicating Basilar Vertebral |
