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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «R»:

  1. R (symbol) R (symbol)
    R (symbol): This much-used symbol has many meanings in medicine. They include: Respiration: a nurse's note of "R20" is shorthand for 20 respirations (breaths) per minute. Right: A doctor's note of a burn on the "R digit 5" places the burn on the right little finger or toe. Roentgen, an internat...
  2. R-2 R-2
    R-2: Street term for Rohypnol....
  3. r-tPA r-tPA
    r-tPA: Recombinant tissue plasminogen activator. See: Tissue plasminogen activator....
  4. R/O R/O
    R/O: Medical abbreviation for rule out....
  5. RA RA
    RA: Rheumatoid arthritis....
  6. Rabbit fever Rabbit fever
    Rabbit fever: An infection in rabbits and other wild rodents caused by the bacterium Francisella tularensis that can be transmitted to humans by contact with infected animal tissues or ticks. Also called tularemia. The main mode of transmission to humans is tick bites in the summer and exposure to...
  7. Rabies Rabies
    Rabies: A potentially fatal viral infection that attacks the central nervous system. The rabies virus is carried primarily by wild animals, especially bats and raccoons. It finds its way to humans by direct contact with infected wild animals or by contact with domestic animals that have contracted...
  8. Raccoon roundworm infection Raccoon roundworm infection
    Raccoon roundworm infection: Infection by the raccoon roundworm is also called Baylisascaris. The species commonly found in raccoonsis Baylisascaris procyonis. When infective eggs of this roundworm are ingested by humans, Baylisascaris larvae hatch in the intestine and travel through the organs and ...
  9. Race Race
    Race: An ethnic stock or division of humans. Naturalists and ethnographers have long divided humans into a variable number of distinct races. However, DNA and other genetic studies have revealed that that most genetic variation, about 94%, is within so-called racial groups while these racial groupi...
  10. Race-based drug Race-based drug
    Race-based drug: A drug designed for a particular racial group. The first race-based drug was BiDil, a combination of two old drugs that increase levels of nitric oxide. BiDil was tested in African-Americans and reported in 2004 to reduce deaths from heart disease. The very concept of race-based the...
  11. Race-based medication Race-based medication
    Race-based medication: See: Race-based drug....
  12. Race-based therapy Race-based therapy
    Race-based therapy: See: Race-based drug....
  13. Racemose Racemose
    Racemose: A descriptive term for something that is in a cluster or bunch.From the Latin "racemus" meaning "a cluster or bunch, particularly of grapes."...
  14. Racemose aneurysm Racemose aneurysm
    Racemose aneurysm: An aneurysm that looks like a bunch of grapes....
  15. Rad Rad
    Rad: Radiation absorbed dose, a measure for a dose of ionizing radiation....