Blood Vessel Vein A blood vessel that carries blood towards the heart. A blood vessel that carries blood to the heart from tissues and organs in the body. Vein VEIN Venous vein Vein C12814 venous tree organ part Vein Vein UBERON:0001638 C0042449 Body Part, Organ, or Organ Component Any of the tubular branching vessels that carry blood from the capillaries toward the heart. CDISC GDC A blood vessel that carries blood toward the heart. UBERON Vein GDC Terminology Specimen Anatomic Site GDC Value Terminology UBERON Terminology Clinical Data Interchange Standards Consortium Terminology CDISC SDTM Terminology Targeted Anatomic Site CDISC SDTM Anatomical Location Terminology CDISC SEND Terminology CDISC SEND Biospecimens Terminology