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Hemagglutination
Hemagglutination The agglutination of red blood cells; may be immune as a result of specific antibody either for red blood cell antigens per se or other antigens which coat the red blood cells, or may be nonimmune as in hemagglutination caused by viruses or other microbes.
RELATED TERMS--------------------------------------
Agglutination
The aggregation of particulate antigen by antibodies. Agglutination applies to red blood cells as well as to bacteria and inert particles covered with antigen.
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Immune
Resistant to a particular disease.
Antibody
An infection-fighting protein molecule in blood or secretory fluids that tags, neutralizes, and helps destroy pathogenic microorganisms (eg, bacteria, viruses) or toxins. Antibodies, known generally as immunoglobulins, are made and secreted by B-lymphocytes in response to stimulation by antigens. Each specific antibody binds only to the specific antigen that stimulated its production.
Cell
Fundamental structural unit of all life. The cell consists primarily of an outer plasma membrane, which separates it from the environment; the genetic material (DNA), which encodes heritable information for the maintainance of life; and the cytoplasm, a heterogeneous assemblage of ions, molecules, and fluid.
Antigens
Substances that cause an immune response in the body. The body "sees" the antigens as harmful or foreign. To fight them, the body produces antibodies, which attack and try to eliminate the antigens.
Hemagglutination
The agglutination of red blood cells; may be immune as a result of specific antibody either for red blood cell antigens per se or other antigens which coat the red blood cells, or may be nonimmune as in hemagglutination caused by viruses or other microbes.
SIMILAR TERMS--------------------------------------
Hemabate
Hemabate is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): carboprost tromethamine.
Hemagglutinin
A substance, antibody or other, that causes hemagglutination.
Hemangio
Blood vessel.
Hemangiosarcoma
Malignant tumor of a blood vessel.
Hematemesis
Vomiting blood.
Hematocrit
The volume percentage of erythrocytes in whole blood.
Hematology
The study and treatment of blood and blood-forming tissues.
Hematoma
Swelling of effused blood beneath tissue surface.
Hematopoietic stem cell
A stem cell from which all red blood cells, white blood cells, and platelets develop.
Hematuria
The presence of blood in the urine.
PREVIOUS AND NEXT TERMS--------------------------------------
Hemiparesis
Muscle weakness of one side of the body.
Herniation
Bulging of tissue through an opening in a membrane, muscle or bone.
Hyperfractionation
An increased number of smaller dosage treatments of radiation therapy.
Hypophysis
Pituitary gland.
Hypotonicity
Diminished muscle tone; limp muscles.
Hemagglutination
Hemagglutinin
A substance, antibody or other, that causes hemagglutination.
Hemopoietic
Pertaining to or related to the formation of blood cells.
Hemodynamic
Relating to the physical aspects of the blood circulation.
Hemolytic Uremic Syndrome
Hemolytic anemia and thrombocytopenia occurring with acute renal failure.
Heterologous
1. Pertaining to cytologic or histologic elements occurring where they are not normally found.2. Derived from an animal of a different species, as the serum of a horse is heterologous for a rabbit.
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