connected to connected to Homo sapiens cardiac vein coronary sinus small 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 right cardiac vein UMLS:C0226661 UBERON:0035374 Wikipedia:Small_cardiac_vein NCIT:C12881 SCTID:277730007 FMA:4714 A vein running parallel to the right coronary artery in the coronary sulcus that drains into the right extremity of the coronary sinus.