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.
A flaky salmon-pink biofilm on the showerhead in the customerâs home was sampled. Much like taking a throat culture, a sterile cotton swab was used to remove some of the bacteria from the film. And, just like the human throat, a showerhead surface contains numerous kinds of bacteria. Pink spots inside the washing machineâs fabric softener dispenser were also swabbed.