<prompt> Which vein is found at the apex of the hea ?Great cardiac veinCoronary SinusAnterior cardiac veinMiddle cardiac vein  <response>: Ans. isai.e., Great cardiac veinRel BDC 4ne VoI. I p. 251-252; Keith Moore 4ee p. 136-137; Snells 9e p. 1211Great Cardiac Vein:The great cardiac vein left coronary vein begins at the apex of hea and ascends along the anterior longitudinal sulcus to the base of ventricle. 