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1.

Blood

The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.

2.

blood [Subheading]

Used for the presence or analysis of substances in the blood; also for examination of, or changes in, the blood in disease states. It excludes serodiagnosis, for which the subheading diagnosis is used, and serology, for which immunology is used.

Year introduced: 1967

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