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.
Pink eye is a term commonly used to describe red eye and refers to both viral and bacterial infections of the conjunctiva (conjunctivitis). It can also have other causes, such as allergy. Pink eye caused by a virus may involve clear discharge or some amount of pus and mucous discharge. Pink eye caused by bacteria is more common in children than adults and may involve a more continuous and thicker discharge of pus and mucus. 1  Pink eye (conjunctivitis).