artery outer diameter left anterior descending artery outer diameter LAD artery outer diameter CMO:0003623 slaulede AIV external diameter PMID:22508433 left anterior descending artery external diameter 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 2021-01-04T15:26:49Z clinical_measurement_ontology