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Blood Vessels

Definition: Any of the tubular vessels conveying the blood (arteries, arterioles, capillaries, venules, and veins).
Notes: GEN only: prefer specifics; prefer /blood supply with Cat A terms: Manual 21.4+; permeability = CAPILLARY PERMEABILITY; consider also VASOMOTOR SYSTEM & all related terms; inflammation = VASCULITIS or its specifics, ARTERITIS & PHLEBITIS; vascular compres

Blood Vessels Categories.
Arteries - The vessels carrying blood away from the heart.
Endothelium, Vascular - Single pavement layer of cells which line the luminal surface of the entire vascular system and regulate the transport of macromolecules and blood components from interstitium to lumen; this function has been most intensively studied in the blood capillaries.
Microcirculation - The circulation of the BLOOD through the microvascular network lying between the ARTERIOLES and VENULES. This network includes CAPILLARIES, metarterioles, and ARTERIOVENOUS ANASTOMOSES; and the flow of blood through this network.
Retinal Vessels - The blood vessels which supply and drain the RETINA.
Vasa Nervorum - Blood vessels supplying the nerves.
Vasa Vasorum - Nutrient blood vessels which supply the walls of large arteries or veins.
Veins - The vessels carrying blood toward the heart.

Blood Vessels Definitions and Terms

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