Hemolysis -Alteration, dissolution, or destruction of red blood cells in such a manner that hemoglobin is liberated into the medium in which the cells are suspended, e.g., by specific complement-fixing antibodies, toxins, various chemical agents, tonicity, alteration of temperature.
Hemolytic Uremic Syndrome - Hemolytic anemia and thrombocytopenia occurring with acute renal failure.
Hemoptysis - The spitting of blood derived from the lungs or bronchial tubes as a result of pulmonary or bronchial hemorrhage.
Hepatic - Relating to the liver.
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.
Hyperemia - The presence of an increased amount of blood in a part or organ.
Hyperesthesia - Abnormal acuteness of sensitivity to touch, pain, or other sensory stimuli.
Hypotension - Subnormal arterial blood pressure.
Hypovolemia - A decreased amount of blood in the body.
Hypoxemia - Subnormal oxygenation of arterial blood, short of anoxia.
Idiopathic - Denoting a disease of unknown cause.
Immunoassay - Detection and assay of substances by serological (immunological) methods; in most applications the substance in question serves as antigen, both in antibody production and in measurement of antibody by the test substance.
In vitro - In an artificial environment, referring to a process or reaction occurring therein, as in a test tube or culture media.
In vivo - In the living body, referring to a process or reaction occurring therein.
Induration - 1. The process of becoming extremely firm or hard, or having such physical features. 2. A focus or region of indurated tissue.
Inguinal - Relating to the groin.
Inoculation - Introduction into the body of the causative organism of a disease.