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.
Symptoms of pinkeye caused by bacteria occur rapidly and can include. 1  eye pain or burning, 2  swelling, 3  itching, 4  redness, 5  a moderate to large amount of oozing or eye discharge, usually thick and yellow or greenish in color,  swelling of the lymph nodes in front of the ears.