Precommunicating part of posterior cerebral artery - Arteriography brain - Vertebral artery - Cranial (RAO: 45° - CRA: 10°) - e-Anatomy

Precommunicating part of posterior cerebral artery

Pars precommunicans arteriae posterioris cerebri

  • Latin synonyms: Arteria cerebri posterior: Pars precommunicalis; Segmentum P1, Segmentum P1
  • Synonyms: Posterior cerebral artery: Precommunicating part; P1 segment, P1 segment
  • Numbering: P1

Definition

Antoine Micheau

Precommunicating part; P1 segment: from it origin at the termination of the basilar artery to posterior communicating artery (PCOM), within interpeduncular cistern.

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