Anatomy
blood vessel Audio
blood ves·sel [ blud veh-sel ]
Subclass of:
Cardiovascular system
Definitions related to blood vessel:
  • A tube through which the blood circulates in the body. Blood vessels include a network of arteries, arterioles, capillaries, venules, and veins.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • A tubular structure through which the blood circulates in the body. Blood vessels constitute a network composed of arteries, arterioles, capillaries, venules, and veins.
    NCI
    U.S. National Cancer Institute, 2021
  • Any of the tubular vessels conveying the blood (arteries, arterioles, capillaries, venules, and veins).
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Segment of blood vessel tree organ which is a tubular structure the lumen of which contains blood; together with other spatially associated blood vessels constitute blood vessel tree organ.
    Foundational Model of Anatomy
    University of Washington, 2017
  • Hollow tubes that transport blood throughout the body; includes arteries, veins, and capillaries.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Blood vessel, a vessel in the human or animal body in which blood circulates. The vessels that carry blood away from the heart are called arteries, and their very small branches are arterioles. Very small branches that collect the blood from the various organs and parts are called venules, and they...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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