The part of the cardiovascular system consisting of all venous vessels. In vertebrates with a double circulation, this can be divided into systemic and pulmonary portions. [ https://orcid.org/0000-0002-6601-2165 ]
Synonyms: vein system
Term information
- VHOG:0000277
- UMLS:C1267406 (ncithesaurus:Venous_System)
- EHDAA2:0002171
- BTO:0004692
- MA:0002720
- EHDAA:486
- SCTID:362060003
- EMAPA:16240
- NCIT:C33858
The appearance of Chordata and subsequently the vertebrates is accompanied by a rapid structural diversification of this primitive linear heart: looping, unidirectional circulation, an enclosed vasculature, and the conduction system.[well established][VHOG]