connected to connected to Homo sapiens cardiac vein coronary sinus middle cardiac vein https://cdn.humanatlas.io/digital-objects/ref-organ/blood-vasculature-female/v1.3/assets/3d-vh-f-blood-vasculature.glb https://cdn.humanatlas.io/digital-objects/ref-organ/blood-vasculature-male/v1.3/assets/3d-vh-m-blood-vasculature.glb UBERON:0009687 FMA:4713 Wikipedia:Middle_cardiac_vein posterior interventricular vein vena cardiaca media UMLS:C0226660 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. SCTID:277729002 lesser cardiac vein EHDAA2:0004509 NCIT:C12880