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Tuberculosis
Tuberculosis
Any of the infectious diseases of man and other animals caused by species of mycobacterium.
SIMILAR TERMS--------------------------------------
Tube feeding
A way to provide food through a tube placed in the nose, the stomach, or the small intestine. A tube in the nose is called a nasogastric or nasoenteral tube. A tube that goes through the skin into the stomach is called a gastrostomy or percutaneous endoscopic gastrostomy (PEG). A tube into the small intestine is called a jejunostomy or percutaneous endoscopic jejunostomy (PEJ) tube. Also called enteral nutrition.
Tube Feeding (enteral feeding)
A temporary artificial method of providing food through a tube inserted into the stomach. This food is in a liquid form and contains calories, vitamins and electrolytes. Enteral feeding may be necessary when food cannot be taken by mouth.
Tuberculin
A protein injected into the skin to test for tuberculosis infection.
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Trachoma
A viral infection of the cornea and conjunctiva which may produce scarring and impaired vision.
Testicular cancer
Tumors or cancer of the testis. Germ cell tumors (germinoma) of the testis constitute 95% of all testicular neoplasms.
Thrush
Infection of the mucous membranes of the mouth by a fungus of the genus candida.
Tinnitus
Sounds that are perceived in the absence of any external noise source which may take the form of buzzing, ringing, clicking, pulsations, and other noises. Objective tinnitus refers to noises generated from within the ear or adjacent structures that can be heard by other individuals. The term subjective tinnitus is used when the sound is audible only to the affected individual. Tinnitus may occur as a manifestation of cochlear diseases; vestibulocochlear nerve diseases; intracranial hypertension; craniocerebral trauma; and other conditions.
Trichomonas
A genus of parasitic flagellate protozoans distinguished by the presence of four anterior flagella, an undulating membrane, and a trailing flagellum.
Tuberculosis
T-dependent antigen
An immunogen that is able to induce antibody synthesis only in the presence of lymphokines released by helper T cells.
T-independent antigen
An immunogen which induces antibody synthesis in the absence of lymphokines released by T cells; the antibodies are generally only of the IgM isotype.
Titre
The reciprocal of the last dilution of a titration giving a measurable effect; e.g. if the last dilution giving significant agglutination is 1:128, the titre is 128.
Tolerance
Diminished or absent capacity to make a specific response to an antigen, usually produced as a result of contact with that antigen under nonimmunizing conditions.
Toxoid
A nontoxic derivative of a toxin used as an immunogen for the induction of antibodies capable of cross-reacting with the toxin.
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