Term Name: vein
Synonyms: venous system
Definition: Vessels that carry blood to the heart.
Appears at: Segmentation:20-25 somites (19.0h-22.0h)
Evident until: Adult (90d-730d, breeding adult)
Ontology: Anatomy Ontology [ZFA:0000082]

Relationships
is part of: blood vasculature
is a type of: blood vessel
has subtype: anterior cardinal vein anterior cerebral vein caudal vein central vein common cardinal vein coronary vein dorsal ciliary vein dorsal longitudinal vein hepatic portal vein hepatic vein hyaloid vein hypophyseal vein intersegmental vein median axial vein median palatocerebral vein mesencephalic vein mid cerebral vein nasal vein optic vein palatocerebral vein parachordal vessel pectoral vein posterior cardinal vein posterior caudal vein posterior cerebral vein primary head sinus primordial hindbrain channel primordial midbrain channel ray vein renal portal vein subintestinal vein supraintestinal vein trans-choroid plexus branch

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