. . . "642"^^ . "Vena cardiaca media,"@en . "v_05" . . "The middle cardiac vein commences at the apex of the heart; ascends in the posterior longitudinal sulcus, and ends in the coronary sinus near its right extremity."@en . "166"^^ . "Middle cardiac vein"@en . "12849706" . "vena cordis media"@en .