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''Synonym: quadrigeminal artery''
''Synonym: quadrigeminal artery''


==Definition==
==Definition==
The '''collicular artery''' is a branch of the posterior cerebral artery that arises from the precommunicate segment (P1). It supplies parts of the midbrain and the tectum as well as the superior and inferior colliculi.
The '''collicular artery''' is a branch of the [[Corpus:Posterior cerebral artery|posterior cerebral artery]] that arises from the precommunicating segment (P1). It supplies parts of the [[Corpus:Midbrain|midbrain]], including the [[Corpus:Tectum|tectum]], and the [[Corpus:Superior colliculi|superior]] and [[Corpus:Inferior colliculi|inferior colliculi]].


==Anatomy==
==Anatomy==
The collicular artery emerges from the posterior cerebral artery near the interpeduncular fossa
The collicular artery originates from the posterior cerebral artery near the [[Corpus:Interpeduncular fossa|interpeduncular fossa]], just distal to the bifurcation of the [[Corpus:Basilar artery|basilar artery]]. It runs posteriorly along the [[Corpus:Cerebral peduncles|cerebral peduncles]], passing through the [[Corpus:Cisterna cruris|cisterna cruris]] and [[Corpus:Cisterna ambiens|cisterna ambiens]]. The artery then gives off smaller branches to supply the lamina quadrigemina and surrounding structures.
immediately distal to the bifurcation of the basilar artery. The vessel runs posteriorly along the pedunculi cerebri and grazes the cisterna cruris and cisterna ambiens. It then gives off smaller branches to supply the lamina quadrigemina and its neighbouring structures.
[[Kategorie:Corpus]]
[[Kategorie:Corpus]]
[[Kategorie:Artery]]
[[Kategorie:Artery]]
[[Kategorie:Brain]]
[[Kategorie:Head]]

Aktuelle Version vom 31. Juli 2024, 15:12 Uhr

Synonym: quadrigeminal artery

Definition

The collicular artery is a branch of the posterior cerebral artery that arises from the precommunicating segment (P1). It supplies parts of the midbrain, including the tectum, and the superior and inferior colliculi.

Anatomy

The collicular artery originates from the posterior cerebral artery near the interpeduncular fossa, just distal to the bifurcation of the basilar artery. It runs posteriorly along the cerebral peduncles, passing through the cisterna cruris and cisterna ambiens. The artery then gives off smaller branches to supply the lamina quadrigemina and surrounding structures.