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arterial_supply_oculomotor_nerves [2026/07/14 14:19] – created Scott Larsonarterial_supply_oculomotor_nerves [2026/07/14 14:26] (current) – Scott Larson
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 FIXME FIXME
 ====Oculomotor nerve====  ====Oculomotor nerve==== 
-  * Thalamoperforating arteries (PCA and PCOMM)/SCA/BA/collicular artery +  * Posterior Intracranial Circulation 
-  * Mesencephalic and diencephalic perforators (PCA)/inferolateral and +    * Thalamoperforating arteries via posterior cerebral artery, posterior communicating artery, superior cerebellar artery and basilar artery  
-meningohypophyseal trunk (ICA) +    * Mesencephalic and diencephalic perforators via posterior cerebral artery 
-ICA/OA +  * Anterior Intracranial Circulation  
-Trochlear nerve Vermian, paravermian (SCA)/collicular+    * inferolateral and meningohypophyseal trunk of the internal carotid artery 
 +  * Extracranial Circulation  
 +    * Internal carotid artery and ophthalmic artery  
 +====Trochlear nerve==== 
 +  * Vermian, paravermian (SCA)/collicular
 artery (PCA)/inferolateral and artery (PCA)/inferolateral and
 meningohypophyseal trunk (ICA) meningohypophyseal trunk (ICA)
 ICA/posterior ethmoidal artery ICA/posterior ethmoidal artery
 (ICA)/OA (ICA)/OA
-Abducens nerve Anterolateral arteries, pontomedullary+====Abducens nerve==== 
 +  * Anterolateral arteries, pontomedullary
 artery, anterior inferior cerebellar artery, anterior inferior cerebellar
 artery (BA)/inferolateral and artery (BA)/inferolateral and
 meningohypophyseal trunk (ICA) meningohypophyseal trunk (ICA)
 ICA/mOA ICA/mOA
 +----
 ICA, internal carotid artery; ECA, external carotid artery; ACA, anterior cerebral artery; MCA, middle cerebral ICA, internal carotid artery; ECA, external carotid artery; ACA, anterior cerebral artery; MCA, middle cerebral
 artery; PCA, posterior cerebral artery; ACOMM, anterior communicating artery; PCOMM, posterior communicating artery; PCA, posterior cerebral artery; ACOMM, anterior communicating artery; PCOMM, posterior communicating
 artery; OA, ophthalmic artery; BA, basilar artery; SCA, superior cerebellar artery; VA, vertebral artery; CCA, common carotid artery. artery; OA, ophthalmic artery; BA, basilar artery; SCA, superior cerebellar artery; VA, vertebral artery; CCA, common carotid artery.