Canadian Medical Guide > Anatomy > Cardiovascular System Terms and Definitions

Cardiovascular System

Medical Definition:	The HEART and the BLOOD VESSELS by which BLOOD is pumped and circulated through the body.
Guide Notes:	GEN or unspecified; prefer specifics; /abnorm = CARDIOVASCULAR ABNORMALITIES but consider also specific artery or vein with /abnorm; DF: CARDIOVASC SYSTEM

Cardiovascular System Categories.

	Blood Vessels - Any of the tubular vessels conveying the blood (arteries, arterioles, capillaries, venules, and veins).
	Blood-Aqueous Barrier - The selectively permeable barrier, in the EYE, formed by the nonpigmented layer of the EPITHELIUM of the CILIARY BODY, and the ENDOTHELIUM of the BLOOD VESSELS of the IRIS. TIGHT JUNCTIONS joining adjacent cells keep the barrier between cells continuous.
	Blood-Brain Barrier - Specialized non-fenestrated tightly-joined ENDOTHELIAL CELLS with TIGHT JUNCTIONS that form a transport barrier for certain substances between the cerebral capillaries and the BRAIN tissue.
	Blood-Retinal Barrier - A specialized transport barrier, in the EYE, formed by the retinal pigment EPITHELIUM, and the ENDOTHELIUM of the BLOOD VESSELS of the RETINA. TIGHT JUNCTIONS joining adjacent cells keep the barrier between cells continuous.
	Heart - The hollow, muscular organ that maintains the circulation of the blood.

Cardiovascular System Medical Definitions and Terms

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