Lateral segmental artery of right lung

Arteria segmentalis lateralis pulmonis dextri

  • Related terms: Lateral segmental artery

Definition

Antoine Micheau

Segmental pulmonary arteries of the right middle lobe are:

  • Medial segmental artery of right lung (A4)

  • Lateral segmental artery of right lung (A5)

In approximately one-half of individuals, A4 and A5 arise as separate branches from the anteromedial aspect of the interlobar artery, and in the other one-half of individuals they arise as a common trunk at this location before dividing.

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