Canadian Medical Guide > Biological Sciences > Circulatory and Respiratory Physiology > Blood Physiology > Blood Physiologic Phenomena Terms and Definitions

Blood Physiologic Phenomena

Medical Definition:	Observable or measurable characteristics of the BLOOD.
Guide Notes:	not used for indexing or cataloging

Blood Physiologic Phenomena Categories.

	Blood Viscosity - The internal resistance of the BLOOD to shear forces. The in vitro measure of whole blood viscosity is of limited clinical utility because it bears little relationship to the actual viscosity within the circulation, but an increase in the viscosity of circulating blood can contribute to morbidity in patients suffering from disorders such as SICKLE CELL ANEMIA and POLYCYTHEMIA.
	Blood Volume - Volume of circulating BLOOD. It is the sum of the PLASMA VOLUME and ERYTHROCYTE VOLUME.
	Erythrocyte Deformability - Ability of ERYTHROCYTES to change shape as they pass through narrow spaces, such as the microvasculature.
	Platelet Adhesiveness - The process whereby PLATELETS adhere to something other than platelets, e.g., COLLAGEN; BASEMENT MEMBRANE; MICROFIBRILS; or other "foreign" surfaces.

Blood Physiologic Phenomena Medical Definitions and Terms

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