Vessels of the central Vessels of the central
nervous system nervous system
Prof. Dr. Selda Önderoğlu
Prof. Dr. Selda Önderoğlu
Arteries of spinal cord Arteries of spinal cord
Vertebral arteryVertebral artery Anterior Spinal A. Anterior Spinal A.
Posterior Spinal Aa.
Posterior Spinal Aa.
Spinal BranchesSpinal Branches Radicular brs.
Radicular brs.
Vertebral artery Vertebral artery
anterior posterior
Spinal Branches from Spinal Branches from
Ascending cervical A. Ascending cervical A.
Deep cervical A. Deep cervical A.
Posterior intercostal Aa. Posterior intercostal Aa.
Lumbar Aa. Lumbar Aa.
Lateral sacral Aa. Lateral sacral Aa.
Each Spinal Br. Gives Radicular Each Spinal Br. Gives Radicular brs.brs.
Each spinal Br. Gives:
Anterior radicular br.
Posterior radicular br.
ARTERIAL
“VASOCORONA”
Artery of “Adamkiewicz”
left side, lumbar level,ant.rad. Br.
anterior radicular vv.
Posterior radicular vv.
Anterior spinal v.
Posterior spinal v.
VENOUS
“VASOCORONA”
•Anterior internal vertebral venous plexus
• posterior internal vertebral venous plexus
•Connection with:
•external anterior vertebral venous plexus
•External posterior vertebral venous plexus
Epidural venous plexus
Epidural (internal)venous Epidural (internal)venous
plexuses has connections with plexuses has connections with
Thoracic, intercostal, abdominal veins; Thoracic, intercostal, abdominal veins;
External vertebral venous plexuses; External vertebral venous plexuses;
Prostatic and pelvic venous Prostatic and pelvic venous plexuses...
plexuses...
At the level of Foramen magnum , At the level of Foramen magnum ,
Vertebral V. Vertebral V.
Sigmoid sinus Sigmoid sinus
occipital sinus occipital sinus
So connection bw.spinal cord’s venous system So connection bw.spinal cord’s venous system and prostatic venous drainage – to sinuses:
and prostatic venous drainage – to sinuses:
metastasis may occur.
metastasis may occur.
The epidural (internal)venous The epidural (internal)venous
plexuses give comm. branches
plexuses give comm. branches
Arteries of Cerebrum Arteries of Cerebrum
internal carotid A. internal carotid A.
vertebral A. vertebral A.
basilar A. basilar A.
• Cervical part
• Petrous part
• Caroticotympanic Aa.
• A.of pterygoid canal
• Cavernous Part
• Cerebral part
Internal carotid A.
Internal carotid A.
1. Cervical part 2. Petrous part 3. cavernous part
• Cavernous branch
• inferior hypophysial a.
• meningeal br.
4. cerebral part
İnternal carotid a.
İnternal carotid a.
1. Cervical part 2. petrous part
3. Cavernous part 4. Cerebral part
• Ophthalmic A.(first br.!)
• Superior hypophysial A.
• Posterior communicating A.
• Anterior choroideal A.
• Anterior cerebral A.
• Middle cerebral A.
internal carotid A.
internal carotid A.
vertebral A.
vertebral A.
meningeal brs.
posterior spinal A.
anterior spinal A.
posterior inferior cerebellar A.
(PICA)
medial medullary A.
lateral medullary A.
pontine aa.
labyrintine aa.
anterior inferior cerebellar a.
superior cerebellar a.
posterior cerebral a.
Basilar A.
Basilar A.
Arteries of cerebrum Arteries of cerebrum
Two sets of branches Two sets of branches
1- cortical – supply blood to cortical areas 1- cortical – supply blood to cortical areas
2- central – supply blood to deeply 2- central – supply blood to deeply
located structures of the cerebrum located structures of the cerebrum
anterior cerebral a.
middle cerebral a.
posterior cerebral a.
Cortical branches
Cortical branches
Cortical Cortical
branches branches
anterior cerebral A.
Medial orbitofrontal a.
Frontopolar a.
Callosamarginal a.
Pericallosal a.
•Paracentral brs.
•Precuneal brs.
Cortical Cortical branches branches
Middle cerebral A.
•anterior temporal a.
• lateral orbitofrontal a.
• ascending frontal a.(prefrontal a.)
•a. of precentral sulcus (Pre-Rolandic)
•a. of central sulcus (Rolandic)
•anterior parietal a.
•posterior parietal a.
•br. to angular gyrus
•posterior temporal a.
•middle temporal a.
Cortical Cortical branches branches
Posterior cerebral A.
Anterior temporal brs.
Posterior temporal brs.
parieto-occipital brs.
Calcarine br.
Central branches Central branches
• Anteromedial group (anterior cerebral a. and anterior communicating a.)
• Anterolateral group (proximal part of middle cerebral a. and medial striate a.)
• Posteromedial group (proximal part of middle cerebral a., art. Of posterior commissure)
• Posterolateral group (distal part of the place where the posterior cerebral a. and posterior
communicating art. anastomose)
• anterior choroideal a. (internal carotid a.)
• posterior Choroideal (posterior cerebral a.)
Arteries of the brain stem Arteries of the brain stem
MESENCEPHALON MESENCEPHALON
basilar A. basilar A.
posterior cerebral A. posterior cerebral A.
superior cerebellar A. superior cerebellar A.
PONS PONS
basilar A. basilar A.
anterior inferior cerebellar A. anterior inferior cerebellar A.
superior cerebellar A. superior cerebellar A.
MEDULLA OBLONGATA MEDULLA OBLONGATA
vertebral A. vertebral A.
anterior spinal A. anterior spinal A.
posterior spinal A. posterior spinal A.
posterior inferior cerebellar A. posterior inferior cerebellar A.
basilar A. basilar A.
Arteries of Cerebellum Arteries of Cerebellum
Vertebral A. Vertebral A.
posterior inferior cerebellar A. posterior inferior cerebellar A.
Basilar a. Basilar a.
superior cerebellar A. superior cerebellar A.
anterior inferior cerebellar A. anterior inferior cerebellar A.
Veins of the Cerebrum Veins of the Cerebrum
superficial veins ( superficial cerebral veins)
•superior cerebral veins all drain into
• inferior cerebral veins sinuses
•middle superficial cerebral
