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Toxoid
Toxoid A nontoxic derivative of a toxin used as an immunogen for the induction of antibodies capable of cross-reacting with the toxin.
RELATED TERMS--------------------------------------
Toxin
A poison formed as a specific secretion product in the metabolism of a vegetable or animal organism as distinguished from inorganic poisons. Such poisons can also be manufactured by synthetic processes.
Immunogen
A substance capable of inducing an immune response (as well as reacting with the products of an immune response). Compare with antigen.
Antibodies
Proteins produced by white blood cells. They confer immunity.
SIMILAR TERMS--------------------------------------
Toxoplasmosis
A parasitic infection carried in cat feces and uncooked meat that can cause stillbirth or miscarriage when contracted by a pregnant woman. Toxoplasmosis is rare; an estimated one in 1,000 women is infected during pregnancy.
PREVIOUS AND NEXT TERMS--------------------------------------
Tuberculosis
Any of the infectious diseases of man and other animals caused by species of mycobacterium.
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
Tenuate
Tenuate is the brand name for diethylpropion. Diethylpropion is a sympathomimetic amine similar to an amphetamine, also known as an "anorectic" or an "anorexigenic" medication.
Tenuate stimulates the central nervous system (nerves and brain)increasing the heart rate and blood pressure and decreasing the appetite. This drug is used as a short-term supplement to diet and exercise in the treatment of obesity and should only be taken with a medical prescription.
Outside US it may be found under the name of Neobes.
Telangiectasia
Telangiectasia are dilated superficial blood vessels. This appearance may occur in rosacea, in certain systemic diseases like ataxia-telangiectasia, scleroderma or in some long-term therapy with topical fluorinated corticosteroids. Telangiectasia may also occur as a component of inherited disorders, including hereditary hemorrhagic telangiectasia.
Tachycardia
Rapid heart beat.
Tachypnea
Rapid breathing.
Telemetry unit
A small transmitter with wires that attach ECG patches to the chest that is used to send information about the heart via radio transmission to healthcare professionals for evaluation.
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