artery outer diameter left anterior descending artery outer diameter 2021-01-04T15:26:49Z AIV external diameter CMO:0003623 LAD artery outer diameter PMID:22508433 The average length of a line which crosses a transverse view of the left anterior descending artery, one of the two branches of the left coronary artery, passing through its center and ending on either side at the outer surface of the blood vessel wall. anterior interventricular artery external diameter clinical_measurement_ontology left anterior descending artery external diameter slaulede