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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «P»:

  1. Pneumocystis carinii Pneumocystis carinii
    Pneumocystis carinii: Now called Pneumocystis jiroveci. See: Pneumocystis....
  2. Pneumocystis jiroveci Pneumocystis jiroveci
    Pneumocystis jiroveci: See: Pneumocystis....
  3. Pneumocystis pneumonia Pneumocystis pneumonia
    Pneumocystis pneumonia: A fungal infection of the lungs that is particularly common and life-threatening in premature or malnourished infants and in immunosuppressed persons. Pneumocystis pneumonia (PCP) is the most common opportunistic infection in people infected with HIV (human immunodeficiency v...
  4. Pneumocyte Pneumocyte
    Pneumocyte: One of the cells lining the alveoli (the air sacs) in the lung. The alveoli are, in fact, lined with two types of cells termed the type 1 and type 2 pneumocytes: Type 1 pneumocyte: The cell responsible for the gas (oxygen and carbon dioxide) exchange that takes place in the alveoli. It...
  5. Pneumomediastinum Pneumomediastinum
    Pneumomediastinum: Free air in the mediastinum (space betweens the lungs) which may give rise to pneumothorax or pneumopericardium and compromise the lungs or heart. ...
  6. Pneumonectomy Pneumonectomy
    Pneumonectomy: An operation to remove an entire lung or part of a lung....
  7. Pneumonia Pneumonia
    Pneumonia: Inflammation of one or both lungs with consolidation. Pneumonia is frequently but not always due to infection. The infection may be bacterial, viral, fungal or parasitic. Symptoms may include fever, chills, cough with sputum production, chest pain, and shortness of breath....
  8. Pneumonia, aspiration Pneumonia, aspiration
    Pneumonia, aspiration: Inflammation of the lungs due to aspiration (the sucking in of food particles or fluids into the lungs). ...
  9. Pneumonia, bilateral Pneumonia, bilateral
    Pneumonia, bilateral: Pneumonia in both lungs. Bilateral pulmonary inflammation. Familiarly known as double pneumonia....
  10. Pneumonia, giant cell Pneumonia, giant cell
    Pneumonia, giant cell: Also known as Hecht's pneumonia, this is a deadly but fortunately rare complication of measles. It tends to strike children who are immunodeficient as from leukemia or HIV/AIDS. The postmortem examination (autopsy) shows multinucleated giant cells lining the alveoli (air sac...
  11. Pneumonia, Hecht's Pneumonia, Hecht's
    Pneumonia, Hecht's: Also known as giant cell pneumonia, this is a deadly but fortunately rare complication of measles. It tends to strike children who are immunodeficient as from leukemia or HIV/AIDS. The postmortem examination (autopsy) shows multinucleated giant cells lining the alveoli (air sac...
  12. Pneumonic plague Pneumonic plague
    Pneumonic plague: Infection of the lungs by Yersina pestis, the bacterial agent that causes the plague, a disease of animals (rodents and their fleas) and humans. The first signs of the pneumonic plague are fever, headache, weakness, and cough productive of bloody or watery sputum. The pneumonia pr...
  13. Pneumonitis, radiation Pneumonitis, radiation
    Pneumonitis, radiation: Inflammation of the lungs as a result of radiation. Although the radiation can be from various sources including accidents, today it is usually from radiation therapy. Radiation pneumonitis typically occurs after radiation treatments for cancers within the chest or breas...
  14. Pneumonoultramicroscopicsilicovolcanosconiosis Pneumonoultramicroscopicsilicovolcanosconiosis
    Pneumonoultramicroscopicsilicovolcanosconiosis: Allegedly, "a lung disease caused by the inhalation of very fine silicate or quartz dust." The word was invented by compounding pneumo-(lung) + ultramicroscopic + silicon + volcano + coniosis, from the Greek konis (dust). In fact, pneumonoultramicrosco...
  15. Pneumopericardium Pneumopericardium
    Pneumopericardium: Air or gas in the space between the heart and the pericardium, the membrane surrounding the heart. ...