Posterior Cerebral Artery: Difference between revisions
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[[File:Posterior cerebral artery.jpg|thumb]] | |||
= Anatomical segments = | = Anatomical segments = | ||
* P1: PCA from the origin to posterior communicating artery (AKA mesencephalic, precommunicating, circular, peduncular, basilar...). The long and short circumflex and thalamoperforating arteries arise from P1 | * P1: PCA from the origin to posterior communicating artery (AKA mesencephalic, precommunicating, circular, peduncular, basilar...). The long and short circumflex and thalamoperforating arteries arise from P1 | ||
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* P3: PCA from the origin of the inferior temporal branches to the origin of the terminal branches (AKA quadrigeminal segment). P3 traverses the quadrigeminal cistern | * P3: PCA from the origin of the inferior temporal branches to the origin of the terminal branches (AKA quadrigeminal segment). P3 traverses the quadrigeminal cistern | ||
* P4: segment after the origin of the parieto-occipital and calcarine arteries, includes the cortical branches of the PCA | * P4: segment after the origin of the parieto-occipital and calcarine arteries, includes the cortical branches of the PCA | ||
== P1 segment == | |||
= Vascular territory = | |||
* parietooccipital sulcus (medial) and inferior temporal sulcus (lateral) | |||
[[Category:Neuroanatomy]] | [[Category:Neuroanatomy]] | ||
[[Category:Vascular anatomy]] | [[Category:Vascular anatomy]] | ||
Revision as of 14:36, 3 March 2024
Anatomical segments
- P1: PCA from the origin to posterior communicating artery (AKA mesencephalic, precommunicating, circular, peduncular, basilar...). The long and short circumflex and thalamoperforating arteries arise from P1
- P2: PCA from origin of PComA to the origin of inferior temporal arteries (AKA ambient, post-communicating, perimesencephalic), P2 traverses the ambient cistern, hippocampal, anterior temporal, peduncular perforating, and medial posterior choroidal arteries arise from P2
- P3: PCA from the origin of the inferior temporal branches to the origin of the terminal branches (AKA quadrigeminal segment). P3 traverses the quadrigeminal cistern
- P4: segment after the origin of the parieto-occipital and calcarine arteries, includes the cortical branches of the PCA
P1 segment
Vascular territory
- parietooccipital sulcus (medial) and inferior temporal sulcus (lateral)