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Drugs and diseases reference index

Drugs and diseases reference index
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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «R»:

  1. Renal syndrome with hemorrhagic fever Renal syndrome with hemorrhagic fever
    Renal syndrome with hemorrhagic fever: A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and pain in the muscles, joints and abdomen with nausea and vomiting followed by bleeding into the kidney and elsewhere. Known also as hemorrhagic fever...
  2. Renal transplant Renal transplant
    Renal transplant: Replacement of a diseased, damaged, or missing kidney with a donor kidney. Also called a kidney transplant. Patients with end-stage renal failure are candidates for transplantation. A successful transplant frees the patient from dialysis and provides the kidney's other metabolic ...
  3. Renal tubules Renal tubules
    Renal tubules: Small structures in the kidney that filter the blood and produce the urine....
  4. Renal vein thrombosis Renal vein thrombosis
    Renal vein thrombosis: Blood clot in the major vein that drains blood from the kidney....
  5. Rendu-Osler-Weber syndrome Rendu-Osler-Weber syndrome
    Rendu-Osler-Weber syndrome: See: Hereditary hemorrhagic telangiectasia....
  6. rep rep
    rep: 1) Roentgen equivalent physical, a unit of absorbed radiation approximately equivalent to one roentgen. 2) An abbreviation for repetition when referring to an exercise maneuver. 3) An abbreviation for representative of sales for a pharmaceutical or health products company....
  7. Repair, DNA Repair, DNA
    Repair, DNA: The body has a series of special enzymes that repair mutations (changes) in the DNA and restore the DNA to its original state. The DNA in genes is constantly mutating and being repaired. This repair process is controlled by special genes. A mutation in a DNA repair gene can cripple ...
  8. Repair, hernia Repair, hernia
    Repair, hernia: Also called a herniorrhaphy, a surgical repair of a hernia. Hernia repair may be done under local or general anesthesia using a conventional incision or a laparoscope. The alternative term "herniorrhaphy" comes from hernio-, referring to a hernia + the Greek rhaphe, a seam = putting ...
  9. Repair, mismatch Repair, mismatch
    Repair, mismatch: A system within the cell for correcting errors in DNA that works by detecting and replacing bases in the DNA that are wrongly paired (mismatched bases). The system repairs the mismatch. When there is a mismatch in the DNA, a mismatch correction enzyme goes to that strand of DNA and...
  10. Repeat Repeat
    Repeat: In genetics, two or more adjacent copies of an identical pattern of nucleotides in the DNA, as in tandem repeat sequences....
  11. Reperfusion Reperfusion
    Reperfusion: The restoration of blood flow to an organ or tissue. After a heart attack, an immediate goal is to quickly open blocked arteries and reperfuse the heart muscles. Early reperfusion minimizes the extent of heart muscle damage and preserves the pumping function of the heart. ...
  12. Repetitive DNA Repetitive DNA
    Repetitive DNA: DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed highly repetitive DNA consists of short sequences, 5-100 nucleotides, repeated thousands of times in a single stretch and includes satellite DNA. Another class termed moderately r...
  13. Repetitive stress injury Repetitive stress injury
    Repetitive stress injury: A type of injury from recurrent stress, often associated with the heavy use of computers. Stress in this context refers to an injury by overuse or improper use. One of the best-known repetitive stress injuries is the carpal tunnel syndrome, due to pressure on and irritatio...
  14. Replacement therapy, estrogen (ERT) Replacement therapy, estrogen (ERT)
    Replacement therapy, estrogen (ERT) or estrogen therapy (ET): a form of therapy with estrogen hormones most commonly used to treat the symptoms of menopause. It reduces or stops the short-term changes of menopause such as hot flashes, disturbed sleep, and vaginal dryness. Estrogen replacement ...
  15. Replacement therapy, hormone (HRT, HT) Replacement therapy, hormone (HRT, HT)
    Replacement therapy, hormone (HRT, HT): The combination therapy of estrogen plus a progestogen. Formerly, hormone replacement therapy (HRT). Estrogen therapy (ET) is used to treat the symptoms of menopause. It reduces or stops the short-term changes of menopause such as hot flashes, disturbed ...