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trichomoniasis trich·o·mo·ni·a·sis (trĭk'ə-mə-nī'ə-sĭs)
n. pl. trich·o·mo·ni·a·ses (-sēz')
A vaginal inflammation caused by a trichomonad (Trichomonas vaginalis) and resulting in a refractory discharge and itching.
An infection caused by trichomonads, as a disease of cattle that commonly results in infertility or abortion in infected cows.
infection by the flagellate protozoan parasite Trichomonas. Infection is most often intestinal, but it may occur in other cavities or organs such as the liver. The species T. vaginalis may be common in women, causing irritation of the vaginal mucosa; more than 50 percent of women with abnormal vaginal discharge may harbour the organism.