Postcommunicating part; P2 segment - Brain - Arteries - e-Anatomy
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Postcommunicating part; P2 segment

Pars postcommunicalis; Segmentum P2

  • Related terms: Postcommunicating part; Posterior cerebral artery: Postcommunicating part; P2 segment

Definition

Postcommunicating part; P2 segment: from the PCOM around the mid-brain, divided into P2A (anterior) and P2P (posterior) sub-segments. P2A is within crural cistern which then bridges to the P2P segment in ambient cistern (thus ambient segment).

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