teratoma. [terâ²ÉtÅâ²mÉ] pl. teratomas, teratomata. a tumor composed of different kinds of tissue, none of which normally occurs together or at the site of the tumor. Teratomas are most common in the ovaries or testes.
The pink-colored film or ring frequently seen on showers, tubs, toilets and pet water bowls is typically caused by growth of the airborne bacteria Serratia marcesens. This harmless nuisance organism reacts with standing water and frequently forms during spring and summer months.
It is usually accompanied by a foul, fishy smell. Trichomonas: Trichomonas infection produces a frothy, yellow-green vaginal discharge with a strong odor. Associated symptoms can include discomfort during intercourse and urination, as well as irritation and itching of the female genital area.