In anatomy, located above or outside of an artery, particularly in relation to the bronchi of the lungs.
From epi- (upon/above) + arterial (relating to arteries). Anatomical descriptor indicating spatial relationship to arterial structures.
Your lungs have tubes called bronchi, and some originate above the pulmonary artery—those are eparterial bronchi. It's a crucial distinction for lung surgery and understanding how oxygen-rich blood flows through your chest.
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