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Medical Terminology: Chapter 8

The Blood and Lymphatic System

Terms

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Embolus
A blood clot carried in the blood stream
Neutrophil
A leukocyte that stains with neutral dyes
Thalassemia
Hereditary anemias occurring in populations bordering the Mediterranean Sea and in Southeast Asia
Serum
The clear, yellowish fluid that separates from the clot when blood clots
Tonsillectomy
Surgical excision of the tonsil
Coagulable
Capable of forming a clot
Fibrin
An insoluble protein formed from fibrinogen by the action of thrombin in the blood-clotting process
Mononucleosis
A condition of excessive amounts of mononuclear leukocytes in the blood
Thromosis
Condition of a blood clot
Hematocrit
A blood test that separates solids from plasma in the blood by centrifuging the blood sample
Antibody
A protein substance produced in the body in response to an invading foreign substance
Fibrinogen
A blood protein converted to fibrin by the action of thrombin in the blood-clotting process
Pneumocystis Carinil
A protozoan that causes Pnumocystis carinii pneumonia (PCP)
Pnumocystis Carinii Pneumonia
An opportunistic infection that is prevalent in AIDS patients. If not treated, the mortality rate is high
Eosinophil
A cell that stains readily with the acid stain; attraction for the rose-colored stain
Lymphoma
A lymphoid neoplasm, usually malignant
Sideropenia
Lack of iron in the blood
Allergy
Individual hypersensitivity to a substance that is usually harmless
Hyperglycemia
A condition of excessive amounts of sugar in the blood
Basophil
A cell that has an attraction for base dye
Corpuscle
A blood cell
Blood
The fluid that circulates through the heart, arteries, veins, and capillaries
Creatinemia
A condition of excess creatine in the blood
Hemostasis
The control or stopping of bleeding
Antigen
An invading foreign substance that induces the formation of antibodies
Prothrombin
A chemical substance that interacts with calcium salts to produce thrombin
Pancytopenia
A lack of the celluar elements of the blood
Immunoglobulin (Ig)
A blood protein capable of acting as an antibody. The five major types are IgA, IgD, IgE, IgG, and IgM
Stem Cell
A cell in the bone marrow that gives rise to various types of blood cells
Radioimmunoassay
A method of determining the concentration of protein-bound hormones in the blood plasma
Hemophilia
A hereditary blood disease characterized by prolonged coagulation and tendency to bleed
Thromboplastin
An essential factor in the production of thrombin and blood clotting
heparin
A substance found in the liver, lungs, and other body tissues that inhibits blood clotting
Lymphangitis
Inflammation of lymphatic vessels
Reticulocyte
A red blood cell containing a network of granules
Polycythemia
A condition of too many red blood cells
Hematology
The study of the blood
Plasmapheresis
Removal of blood from the body and centrifuging it to separate the plasma from the blood
Albumin
One of a group of simple proteins found in blood plasma or serum
Transfusion
The process whereby blood is transferred from one individual to the vein of another
Extravasation
The process whereby fluids and/or medications (IVs) escape into surrounding tissues
Hyperlipemia
A condition of excessive amounts of fat in the blood
Hemoglobin
Blood protein; the iron-containing pigment of red blood cells
Granulocyte
A granular leukocyte
Erythropoietin
A hormone that stimulates the production of red blood cells
Vasculitis
Inflammation of a lymph or blood vessel
Hematologist
One who specializes in the study of the blood
Hemolysis
Destruction of red blood cells
Erythrocytosis
An abnormal condition in which there is an increase in red blood cells
Hypercalcemia
A condition of excessive amounts of calcium in the blood
Thrombin
A blood enzyme that causes clotting by forming fibrin
Lymphedema
An abnormal accumulation of lymph in the interstitial spaces
Globulin
An albuminous protein found in body fluids and cells
Serpculture
A bacterial culture of blood serum
Agglutination
The process of clumping together, as of blood cells that are incompatiable
Leukaphersis
Removal of white blood cells from the circulation
Lymph
A clear, colorless, alkaline fluid found in the lymphatic vessels
Phagocytosis
A condition of the engulfing and eating of bacteria by the phagocytes
Splenomegaly
Enlargement of the spleen
Leukocyte
A white blood cell
Thrombectomy
Surgical excision of a blood clot
Anaphylaxis
An unusual or exaggerated allergic reaction to foreign proteins or other substances
Hematoma
A blood tumor
Erythrocyte
A red blood cell
Lymphangiology
The study of the lymphatic vessels
Lymphadenotomy
Incision into a lymph gland
Septicemia
A condition in which pathogenic bacteria are present in the blood
Thymoma
A tumor of the thymus
Anticoagulant
An agent that works against the formation of blood clots
Basocyte
A base cell leukocyte
Hypoglycemia
A condition of deficient amounts of sugar in the blood
Anisocytosis
A condition in which the erythrocytes are unequal in size and shape
Macrocyte
The largest leukocyte, which has one nucleaus
Thrombocyte
A clotting cell; a blood platelet
Anemia
A condition of a lack of red blood cells
Lymphadenitis
Inflammation of the lymph glands
Hemorrhage
Excessive bleeding; bursting forth of blood
Lymphostasis
The control or stopping of the flow of lymph
Erythroblast
An immature red blood cell
Leukocytopenia
A lack of white blood cells

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