Term Name: vein
Synonyms: vascular element, vena, venae, venous subtree, venous tree organ part, venous vessel
Definition: Any of the tubular branching vessels that carry blood from the capillaries toward the heart.
Ontology: Cell Ontology [UBERON:0001638]

Relationships
has parts: endothelium of vein tunica adventitia of vein tunica intima of vein tunica media of vein vein endothelial cell venous blood venous valve
is a type of: venous blood vessel
has subtype: accessory hemiazygos vein axillary vein azygos vein brachial vein brachiocephalic vein bronchial vein cardinal vein caudal humeral circumflex vein cerebellar vein cerebral vein conjunctival vein craniocervical region vein cutaneous vein cutaneus magnus cystic vein deep vein deferent duct vein digital vein dorsal longitudinal vein dorsal metatarsal vein dorsal venous arch ductus venosus embryo portion of umbilical vein epigastric vein extraembryonic umbilical vein femoral vein gastric vein gonadal vein hemiazygos vein iliac vein iliolumbar vein intercostal vein interlobar vein internal mammary vein intersomitic vein Jacobson's vein lacrimal vein lateral vein left anterior vena cava lingual vein masseteric vein medial circumflex femoral vein median axial vein median sacral vein meningeal vein mesencephalic vein mesenteric vein naso-frontal vein nutrient foramen vein obturator vein ovarian vein oviducal vein pectoral vein pericardiacophrenic vein perineal vein phrenic vein popliteal vein portal vein postcaval vein precaval vein primary head vein prinicipal vein of limb pudendal vein pulmonary vein renal portal vein renal vein respiratory system venous blood vessel right anterior vena cava spinal vein spleen trabecular vein splenic vein subcardinal vein subclavian vein subcostal vein subintestinal vein subscapular vein superficial vein supraintestinal vein suprarenal vein systemic vein tail vein testicular vein thoracic cavity vein thoracic vein thoracodorsal vein thymic vein thyroid vein tibial vein trans-choroid plexus branch umbilical vein ureteric vein uveal vein vaginal vein vein of abdomen vein of clitoris vein of genicular venous plexus vein of hindlimb zeugopod vein of trabecular bone ventral abdominal vein vertebral vein vesical vein
inverse adjacent_to: vascular lymphangioblast
inverse immediate_transformation_of: transformed vein