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.
Red Substance in Tub, Toilet is Bacteria. Bacteria caused this line of a pinkish-red substance to form in a toilet bowl. Bacteria cause the pink or red substance you may find in your toilet bowl, sink, bathtub or shower stall. If youâve noticed a pink or red slimy substance forming in your toilet bowl, youâre not alone.