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Acquired immunodeficiency syndrome
AIDS is a disease caused by the human immunodeficiency virus (HIV), which is transmitted through sexual contact, exposure to infected blood or blood components, and perinatally from mother to infant.
agglutination
Process of clumping together, as of blood cells that are incompatible.

agglutinat: clumping

albumin
One of a group of simple proteins found in blood plasma and serum.
allergy
Individual hypersensitivity to a substance that is usually harmless.

all: other

-ergy: work
anaphylaxis
Unusual or exaggerated allergic reaction to foreign proteins or other substances.
ana-: up
-phylaxis: protection
anemia
Literally a lack of red blood cells, it is a reduction in the number of circulating red blood cells, the amount of the hemoglobin, or the volume of packed red cells (hematocrit).

an-: lack of

-emia: blood condition
anisocytosis
Condition in which the erythrocytes are unequal in size and shape.
anis/o: unequal
cyt: cell
-osis: condition
antibody
Protein substance produced in the body in response to an invading foreign substance (antigen)

anti-:against

-body: body
anticoagulant
Agent that works against the formation of blood clots.

coagul: clots

-ant: forming
antigen
Invading foreign substance that induces the formation of antibodies.

anti-: against

-gen: formation, produce
autoimmune disease
condition in which the body''s immune system becomes defect and produces antibodies against itself.
autotransfusion
Process of reinfusing a patient's own blood.
basophil
Cell that has an attraction for a base dye; a circulating granulocyte (white blood cell) that is essential to the nonspecific immune response to inflammation b/c of its role in releasing histamine and other chemicals that act on blood vessel.

bas/o: base

-phil: attraction
blood
Fluid that circulates through the heart, arteries, veins, and capillaries.
coagulable
Capable of forming a clot.

coagul: to clot

-able: capable
corpuscle
Blood cell.
creatinemia
Condition of excessive creatine (nitrogenous compound produced by metabolic processes) in the blood.

creatin: flesh, creatine

-emia: blood condition
embolus
Blood clot carried in the bloodstream. A mass of undissolved matter present in blood or lymphatic vessel and brought there by the blood or lymph current. Emboli can be solid, liquid, or gaseous.
eosinophil
Cell that stains readily with an acid stain; attraction for the rose-colored stain; type of granulocytic white blood cell that destroys parasitic organisms and plays a major role in allergic reactions.
eosin/o: rose-colored
-phil: attraction
erythroblast
Immature red blood cells.

erythro/o: red

-blast: immature cell, germ cell
erythrocytosis
Abnormal condition in which there is an increase in red blood cells.
erythropoiesis
Formation of red blood cells.

-poiesis: formation
erythropoeitin
Glyco-protein hormone secreted by the kidneys in the adult and by the liver in the fetus, which acts on stem cells of the bone marrow to stimulate the production of red blood cells.

poiet: formation
extravasation
Process by which fluid and/or medication (IVs) escape into surrounding tissue.
extra-: beyond
fibrin
Insoluble protein formed from fibrinogen by the action of thrombin in the blood-clotting process.

-in: chemical
fibrinogen
Blood protein converted to fibrin by the action of thrombin in the blood-clotting process.

globulin
Plasma protein found in body fluids and cells.

globul: globe

-in: chemical
granulocyte
Granular leukocyte (white blood cell containing granules); a polymorphonuclear white blood cell (includes neutrophils, basophils, and eosinophils)

granul/o: little grain

-cyte: cell
hematocrit
Blood test that separates solids from plasma in the blood by centrifuging the blood sample.

hemat/o: blood

-crit: to separate
hematologist
Physician who specializes in the study of the blood.

log: study of

-ist: specialist
hematology
Study of the blood.

hematoma
Collection of blood that has escaped from a vessel into the surrounding tissue; results from trauma or incomplete hemostasis after surgery.

-oma: mass, fluid collection
hemochromatosis
Genetic disease condition in which iron in not metabolized properly and accumulates in body tissues. The skin has a bronze hue, the liver becomes enlarged, and diabetes and cardiac failure can occur.
chromat: color
hemoglobin
Blood protein; the iron-containing pigment of red blood cells that carries oxygen from the lungs to the tissues.

-globin: globe, protein
hemolysis
Destruction of red blood cells.

-lysis: destruction
hemophilia
Hereditary blood disease characterized by prolonged coagulation and tendancy to bleed.
-philia: attraction
hemorrhage
Excessive bleeding; bursting forth of blood.

-rrhage: bursting forth
homeostasis
Control of stopping of bleeding.

-stasis: control, stop, stand still
herapin
Substance found in the liver, lungs, and other body tissues that inhibits blood clotting (anticoagulant).
hypercalcemia
Condition of excessive amounts of calcium in the blood.

hyper-: excessive

calc: lime, calcium

-emia: blood condition
hyperglycemia
Condition of excessive amounts of sugar in the blood.

hyperlipemia
Condition of excessive amounts of fat in the blood.
hypoglycemia
Condition of deficient amounts of sugar in the blood.

glyc: sweet, sugar

-emia: blood condition
hypoxia
Deficient amount of oxygen in the blood, cells, and tissues; also known as anoxia and hypoxemia.

-oxia: oxygen
immunoglobin (Ig)
Blood protein capable of acting as an antibody.

immun/o: immunity

globul: globe

-in: chemical
Kaposi''s sarcoma (KS)
Malignant neoplasm that causes violacesous (violet-causes) vascular lesions and general lymphadenopathy; it is the most common AIDS-related tumor.
leukapheresis
Separation of white blood cells from the blood, which are then transfused back into the patient.
leuk/a: white
-pheresis: removal
leukemia
Disease of the blood characterized by overproduction of leukocytes.

-emia: blood condition
leukocytopenia
Lack of white blood cells.

-penia: lack of
lymph
Clear, colorless, alkaline fluid found in the lymphatic vessels.
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