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.
Chlorine bleach is an effective alternative to commercial toilet-bowl cleaners. Add 1/4 cup to the toilet bowl, let stand a few minutes, brush with a toilet brush, then flush. This will disinfect as well. To remove a hard-water ring from the inside the toilet, pour white vinegar into the bowl and let set for an hour.Scrub clean and flush.hlorine bleach is an effective alternative to commercial toilet-bowl cleaners. Add 1/4 cup to the toilet bowl, let stand a few minutes, brush with a toilet brush, then flush. This will disinfect as well. To remove a hard-water ring from the inside the toilet, pour white vinegar into the bowl and let set for an hour.