Artery which supplies blood to the occipital lobe of the brain
Posterior cerebral artery
The outer surface of the human brain, with the area supplied by the posterior cerebral artery shown in yellow.
The arterial circle and arteries of the brain (inferior view). The posterior cerebral arteries (bottom forks) arise from the basilar artery (center).
Details
Source
basilar artery (most common in adults)
Vein
cerebral veins
Supplies
occipital lobe of cerebrum
Identifiers
Latin
arteria cerebri posterior
Acronym(s)
PCA
MeSH
D020769
TA98
A12.2.07.082
TA2
4565
FMA
50583
Anatomical terminology
[edit on Wikidata]
The posterior cerebral artery (PCA) is one of a pair of cerebral arteries that supply oxygenated blood to the occipital lobe, part of the back of the human brain. The two arteries originate from the distal end of the basilar artery, where it bifurcates into the left and right posterior cerebral arteries. These anastomose with the middle cerebral arteries and internal carotid arteries via the posterior communicating arteries.
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carotid artery (ICA) (prior to the terminal bifurcation of the ICA into the anterior cerebralartery and middle cerebralartery); posteriorly, it unites...
Cerebral circulation is the movement of blood through a network of cerebralarteries and veins supplying the brain. The rate of cerebral blood flow in...
Posteriorcerebralartery syndrome is a condition whereby the blood supply from the posteriorcerebralartery (PCA) is restricted, leading to a reduction...
arteries and thus are connected to the anterior cerebralarteries and the posterior communicating arteries, which connect to the posteriorcerebral arteries...
Anterior communicating artery Internal carotid artery (left and right) at its distal tip (carotid terminus) Posteriorcerebralartery (left and right) at...
rate of 2 to 4 frames per second. Posteriorcerebralartery (PCA) can be seen in AP view. The left vertebral artery is easier to cannulate than the right...
Terminologia Anatomica in 1998 subdivided the artery into four parts: "cervical", "petrous", "cavernous", and "cerebral". In clinical settings, however, usually...
the posterior circulation (basilar artery, vertebral arteries and posterior communicating artery) have a higher risk of rupture. Basilar artery aneurysms...
The artery of Percheron (AOP) is a rare anatomical variation in the brain vascularization in which a single arterial trunk arises from the posterior cerebral...
to dual blood supply from both posteriorcerebralartery and middle cerebralartery. Occlusion of the calcarine artery that results in infarction of the...
oculomotor nerve, which separates it from the posteriorcerebralartery. It then winds around the cerebral peduncle, close to the trochlear nerve. It also...
cerebellum. It contains a part of the great cerebral vein, the posteriorcerebralartery, quadrigeminal artery, glossopharyngeal nerve (CN IX), and the pineal...
the posteriorcerebralarteries.[citation needed] Its branches from caudal to rostral include:[citation needed] anterior inferior cerebellar artery labyrinthine...
internal carotid artery The origin of the anterior choroidal artery The origin of the posterior communicating artery Cistern of lateral cerebral fossa. It is...
arteries, and posterior (medial and lateral) choroidal arteries. These are all branches of the posteriorcerebralartery. Some people have the artery of Percheron...
been observed in the middle cerebralartery (MCA), posteriorcerebralartery (PCA), vertebral artery, and basilar artery; these have been called the dense...
vertebral artery supplies the part of the brain that lies in the posterior fossa of the skull, and this type of stroke is therefore called a posterior circulation...
anterior cerebralartery and middle cerebralartery, the posteriorcerebralartery and middle cerebralartery, the anterior cerebralartery and posterior cerebral...
The collicular artery or quadrigeminal artery arises from the posteriorcerebralartery. This small artery supplies portions of the midbrain, especially...
cortex are the anterior cerebralartery, the middle cerebralartery, and the posteriorcerebralartery. The anterior cerebralartery supplies the anterior...
Hypothalamic–neurohypophyseal system Middle cerebralarteryPosteriorcerebralartery Anterior cerebralartery Vertebral artery Basilar artery Circle of Willis (arterial...
The occipital lobe is one of the four major lobes of the cerebral cortex in the brain of mammals. The name derives from its position at the back of the...
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