Category: U

  • Uterine dyskinesia

    Pain in the uterus on movement.  

  • Utriculosaccular duct

    A narrow tube emanating from the utricle, connecting it to the saccule, and opening into the endolymphatic duct of the inner ear.  

  • Ulcerogenic drug

    A medicine, such as a nonsteroidal anti-inflammatory drug, that may cause peptic ulcers.  

  • Unit dose

    A dose of medicine prepared in an individual packet for convenience, safety, or monitoring.  

  • Uncrossed diplopia

    Double vision in which the image appears on the same side as the eye that sees it.  

  • Unsystematized delusion

    A delusion with no correlation between ideas and actual conditions.  

  • Unstimulated cycle

    A cycle in assisted reproduction in which a woman does not receive drugs to stimulate her ovaries for production of additional follicles.  

  • Uterine curettage

    Scraping to remove the contents of the lining of the uterus. This procedure is used to evacuate the uterus following inevitable or incomplete abortion, to produce abortion, to obtain specimens for use in diagnosis, and to remove growths, such as polyps.  

  • Uremic convulsion

    Seizures caused by the toxic effects of accumulated waste products and inorganic acids in renal failure.  

  • Uremic coma

    Loss of consciousness caused by the toxic effects of the nitrogen-containing wastes and inorganic acids that accumulate in the bloodstream of patients in renal failure. Coma in renal failure usually occurs after other uremic symptoms, such as loss of appetite, confusion, lethargy, or seizures.