Source:http://linkedlifedata.com/resource/umls/id/C0500498
FMA: Branch of anterior interventricular branch of left coronary artery which arises from the proximal part of the anterior interventricular branch of left coronary artery and crosses over the top of the conus arteriosus and the base of the anterior cusp of the pulmonary artery and supplies the outflow part of the right ventricle.