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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «T»:

  1. Tubercular Tubercular
    Tubercular: See: Tuberculous....
  2. Tuberculin Tuberculin
    Tuberculin: A protein extracted from Mycobacterium tuberculosis that is used in a skin test to determine if a person has been exposed to tuberculosis. The tuberculin preparation in most common use today is purified protein derivative (PPD) tuberculin. PPD is injected (or multiple-punctured) into the...
  3. Tuberculosis Tuberculosis
    Tuberculosis: A highly contagious infection caused by the bacterium called Mycobacterium tuberculosis. Abbreviated TB. Tubercles (tiny lumps) are a characteristic finding in TB. Diagnosis may be made by skin test, which if positive should will be followed by a chest X-ray to determine the status (a...
  4. Tuberculosis treatment Tuberculosis treatment
    Tuberculosis treatment: Treatment of tuberculosis (TB), depends upon the status of the infection and differs for dormant and active TB. The differences are as follows: Dormant TB: Dormant TB is characterized by a positive TB skin test, a normal chest x-ray, and no symptoms. There are most like...
  5. Tuberculosis vaccination Tuberculosis vaccination
    Tuberculosis vaccination: A vaccination for tuberculosis (TB). The vaccine, known as BCG (bacille Calmette Guerin), is used in most developing countries to reduce the severe consequences of TB in infants and children. However, BCG vaccine has variable efficacy in preventing the adult forms of TB and...
  6. Tuberculosis, active Tuberculosis, active
    Tuberculosis, active: The presence of Mycobacterium tuberculosis infection with a positive chest X-ray. Treatment of active tuberculosis is mandatory by law in the US. See also: Tuberculosis....
  7. Tuberculosis, antibiotic-resistant Tuberculosis, antibiotic-resistant
    Tuberculosis, antibiotic-resistant: A variant of tuberculosis (TB) that is not affected by one or more of the antibiotics normally used to treat it. If the strain of TB is unaffected by more than one medication, it is called multidrug resistant (MDR) TB. A person with any form of drug-resistant TB ...
  8. Tuberculosis, avian Tuberculosis, avian
    Tuberculosis, avian: A type of tuberculosis affecting birds, caused by Mycobacterium avium, which may be communicated to other animals and humans....
  9. Tuberculosis, bovine Tuberculosis, bovine
    Tuberculosis, bovine: See: Bovine tuberculosis....
  10. Tuberculosis, dormant Tuberculosis, dormant
    Tuberculosis, dormant: The presence of evidence for tuberculosis infection from a positive TB skin test in a person with a normal chest X-ray and no symptoms. Treatment is not mandatory for dormant tuberculosis (TB), as it is with active TB, but it is a good idea because the TB can become active lat...
  11. Tuberculosis, drug-resistant Tuberculosis, drug-resistant
    Tuberculosis, drug-resistant: Tuberculosis (TB) that does not respond to drug treatment. Drug-resistant TB has become a very serious problem in recent years in certain populations. For example, TB resistant to the drug isoniazid (INH) is seen among patients from Southeast Asia. The reason for thi...
  12. Tuberculosis, extrapulmonary Tuberculosis, extrapulmonary
    Tuberculosis, extrapulmonary: Tuberculosis that occurs outside the lungs as, for example, in the lymph nodes or kidneys....
  13. Tuberculosis, genetic susceptibility to Tuberculosis, genetic susceptibility to
    Tuberculosis, genetic susceptibility to: Genes that make someone susceptible to developing tuberculosis (TB) when exposed to the bacterium (Mycobacterium tuberculosis) that causes it. Although there are millions of new cases of TB each year, not everyone exposed to the bacterium becomes infected nor...
  14. Tuberculosis, MDR Tuberculosis, MDR
    Tuberculosis, MDR: Multidrug-resistant tuberculosis. See: Tuberculosis, antibiotic-resistant....
  15. Tuberculosis, miliary Tuberculosis, miliary
    Tuberculosis, miliary: The presence of numerous sites of tuberculosis infection each of which is minute, due to dissemination of infected material through the bloodstream in a process somewhat like the metastasis of a malignancy. The word "miliary" is a botanical borrowing by medicine and refer...