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Drugs and diseases reference index

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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «T»:

  1. Testosterone Testosterone
    Testosterone: A "male hormone" -- a sex hormone produced by the testes that encourages the development of male sexual characteristics, stimulates the activity of the male secondary sex characteristics, and prevents changes in them following castration. Chemically, testosterone is 17-beta-hydroxy...
  2. Testosterone replacement therapy Testosterone replacement therapy
    Testosterone replacement therapy: The practice of giving testosterone to treat conditions in which the testes do not produce enough testosterone. This may be due to absence, injury, or disease. Testosterone is available in oral, IV, and patch forms. As with estrogen replacement therapy for wom...
  3. Tetanus Tetanus
    Tetanus: An often fatal infectious disease caused by the bacteria Clostridium tetani (C. tetani) which usually enters the body through a puncture, cut, or open wound. Tetanus is characterized by profoundly painful spasms of muscles, including "locking" of the jaw so that the mouth cannot open (lockj...
  4. Tetany Tetany
    Tetany: A combination of signs and symptoms, due usually to low calcium, that can include: Hyperreflexia (overactive neurological reflexes), Carpopedal spasm (spasms of the hands and feet), Cramps, and Laryngospasm (spasm of the larynx, the voice box). Tetany characteristically is considered to ...
  5. Tetracycline Tetracycline
    Tetracycline: A family of broad-spectrum antibiotics effective against a remarkably wide variety of organisms. Bacteria susceptible to teracycline include H. flu (Hemophilus influenzae), strep (Streptococcus pneumoniae), Mycoplasma pneumoniae, Chlamydia psittaci, Chlamydia trachomatis, and Neisseria...
  6. Tetraethyl lead Tetraethyl lead
    Tetraethyl lead: An anti-knock compound added to motor fuel. Also known as tetraethylplumbane, tetraethyl lead has highly adverse effects on human health. It causes lead poisoning. The History of Tetraethyl Lead In 1921 three General Motors (GM) engineers -- Charles Kettering, Thomas Midgeley, a...
  7. Tetraethylplumbane Tetraethylplumbane
    Tetraethylplumbane: Tetraethyl lead....
  8. Tetrafluoroethylene Tetrafluoroethylene
    Tetrafluoroethylene: A substance that is a possible carcinogen (cancer-causing agent) used in the production of polymers such as polytetrafluoroethylene. The US government in 2000 classified tetrafluoroethylene as "reasonably anticipated to be a human carcinogen." In laboratory animal studies of te...
  9. Tetrahydrogestrinone Tetrahydrogestrinone
    Tetrahydrogestrinone: A "designer steroid" with anabolic properties. Known as THG....
  10. Tetralogy of Fallot Tetralogy of Fallot
    Tetralogy of Fallot: A combination of four heart defects that are present together at birth, accounting for about 10% of all congenital heart disease. The four defects that constitute the tetralogy of Fallot are: Ventricular septal defect (VSD) -- A hole between the two bottom chambers, the ventri...
  11. Tetranucleotide Tetranucleotide
    Tetranucleotide: A sequence of 4 base pairs. (Bases are the building blocks of DNA.) Expansion of a tetranucleotide repeat (CCTG) in the ZNF9 gene causes type 2 myotonic dystrophy....
  12. Tetrapeptide Tetrapeptide
    Tetrapeptide: A peptide consisting of four amino acids....
  13. Tetraphocomelia-thrombocytopenia syndrome Tetraphocomelia-thrombocytopenia syndrome
    Tetraphocomelia-thrombocytopenia syndrome: See TAR syndrome....
  14. TGA TGA
    TGA: 1. Transient global amnesia. 2. Transposition of the great arteries....
  15. TGF TGF
    TGF: Transforming growth factor....