First Right Posterolateral Artery

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** In an individual with a right-dominant heart, this is the first branch that arises from the right coronary artery distal to the right posterior descending artery, when counted from proximal to distal.

**Synonyms:** - 1ST RPL - FIRST RIGHT POSTEROLATERAL ARTERY - FIRST RIGHT POSTEROLATERAL ARTERY SEGMENT