blood vessel (redirected from volume index of blood)

blood vessel

n.

An elastic tubular channel, such as an artery, a vein, a sinus, or a capillary, through which the blood circulates.

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blood vessel(s),

n the network of muscular tubes that carry blood. The kinds of blood vessels are arteries, arterioles, capillaries, venules, and veins.

blood vessels, periodontal ligament,

n.pl a well-developed vascular system that enters the periodontal ligament and supplies blood to all the regions surrounding the tooth.

blood vessels, pulp,

n.pl a well-developed vascular system that enters the apical foramen of the tooth and supplies blood to the pulp tissue.

blood, volume index of,

n the volume of red blood cells divided by the total volume of blood times 100 times the volume percent of packed red blood cells (hematocrit index). A value greater than 1 indicates an abnormally large number or size of erythrocytes.

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blood vessel

any of the vessels conveying the blood; an artery, arteriole, vein, venule, sinusoid or capillary.

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blood vessel calcification

in animals usually part of a generalized calcification syndrome; see calcification.

blood vessel congenital defect

see arteriovenous aneurysm, portacaval shunt, patent ductus arteriosus, aortic coarctation.

coronary blood vessel

see coronary arteries.

blood vessel disease

includes arteritis, phlebitis, lymphangitis.

pulmonary blood vessel v's

see Table 9 (arteries), Table 15 (veins).

shunt blood vessel

include naturally-occurring arteriovenous anastomoses and those caused by accidental injury or by congenital defect.

blood vessel stenosis

narrowing of the lumen caused by fibrous tissue contraction in the walls, or compression by other adjoining tissues, or congenital defect.