Category: T

A stage in the life cycle of the malarial parasite (Plasmodium) that develops from a merozoite in the red blood cells. The trophozoite, which has a ring-shaped body and a single nucleus, grows steadily at the expense of the blood cell; eventually its nucleus and cytoplasm undergo division to form a schizont containing many merozoites.…

A diuretic that also reduces the acidity of body fluids. It is given by intravenous injection in conditions of acidosis to adjust the pH of the blood to normal levels.  

A genus of widely distributed mites, the harvest mites. The six-legged parasitic larvae (chiggers) are common in fields during the autumn and frequently attack man, remaining attached to the skin for several days while feeding on the lymph and digested skin tissues. Their bite causes intense irritation and a severe dermatitis. Various repellents can be…

An isotope of hydrogen that emits beta particles (electrons) during its decay. It has been used as a tracer in the investigation of diseases of the heart and the lungs. The mass three isotope of hydrogen; triple-weight hydrogen.  

A carbohydrate with three carbon units; for example, glyceraldehyde. A monosaccharide having three carbon atoms in its molecule.  

One of the hormones synthesized and secreted by the thyroid gland.  

A sedative and hypnotic, given by mouth, usually as a syrup. It is used to induce sleep or as a daytime sedative, particularly in children. Prolonged administration may lead to ‘dependence. It is similar in its actions and effects to chloral hydrate.  

Describing or relating to the normal state of color vision, in which a person is sensitive to all three of the primary colors (red, green, and blue) and can match any given color by a mixture of these three. Relate to or able to see the three primary colors; denoting normal color vision.  

A genus of fungi, parasitic to man, that infect the scalp and beard. A genus of fungi that causes superficial skin infections in immunocompetent hosts and  opportunistic infections (e.g., endocarditis, fungemia, and lung, kidney, and splenic infections) in immunocompromised patients. A type of fungus responsible for causing trichomycosis.  

A condition in which the hairs break easily. It may be due to a hereditary condition or it may occur as a consequence of repealed physical or chemical injury. The latter condition may follow the use of heat or bleach on the hair or be caused by persistent rubbing.