Right Posterior Descending Artery

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

**Definition:** In an individual with a right-dominant heart, the arterial branch that arises from the distal right coronary artery between the acute marginal artery and the first right posterolateral segment. It supplies the inferior apex of the heart.

**Synonyms:** - RIGHT POSTERIOR DESCENDING ARTERY - RIGHT POSTERIOR DESCENDING ARTERY SEGMENT - RPDA