Trichomonad vulvitis Chang Jifa in Trichomonas vaginitis. Female Trichomonas vaginalis vagina, urethra, send in the Bartholin's gland and urinary bladder. Bartholin's gland involvement rare. Trichomonas vaginalis is a flagellate, much larger than the polymorphonuclear leukocytes, shaped like a peach, the top having four, tail shaft column protruding, can live in the body without causing clinical syndrome. Some bacteria can cause Trichomonas active and produce symptoms, but in vivo antibody can be transmitted directly or indirectly, mainly through the bath, bath, swimming pool, or not thorough disinfection of medical equipment and other ways the indirect spread. Direct can be spread through sexual intercourse, male urinary system came from the urine and faeces, patients may also be sources.