Blood_Clinical Terms

plaque

An abnormal area within a blood vessel where large quantities of lipids accumulate.

hemolytic disease of the newborn (HDN)

An anemia in the newborn usually caused by an incompatibility between the maternal (Rh-) and fetal (Rh+) blood types.

aplastic anemia

Anemia caused by failure of the bone marrow, leading to a low hematocrit and a low reticulocyte count.

hemorrhagic anemia

Anemia caused by severe bleeding, typified by a low hematocrit and a low hemoglobin but normal RBCs.

hemophilia

One of many inherited disorders characterized by inadequate production of clotting factors.

packed red blood cells (PRBCs)

Red blood cells from which most of the plasma has been removed.

normochromic

The condition in which red blood cells contain normal amounts of hemoglobin.

normovolemic

The condition of having normal blood volume.

thrombus

A blood clot.

polycythemia

A blood condition showing an elevated hematocrit with a normal blood volume.

embolism

A condition in which a drifting blood clot becomes stuck in a blood vessel, blocking circulation to the area downstream.

anemia

A condition in which the oxygen-carrying capacity of the blood is reduced, because of low hematocrit or low blood hemoglobin concentrations.

transfusion

A procedure in which blood components are given to someone whose blood volume has been reduced or whose blood is deficient in some components.

normocytic

A term referring to red blood cells of normal size.

bone marrow transplant

A transfusion of bone marrow cells, including stem cells, that can be used to repopulate the bone marrow after radiation exposure, chemotherapy, or aplastic anemia.