Filtration: A slow sand filter, pressurized rapid sand filter, or pre-coat filter is the next step in treatment to filter out as many of the blue-green algae cells as possible before the water enters the disinfection system. ï Pressured rapid sand filters are the most common filters used for drinking water ponds.
Reactive urothelial cells and severe, mostly chronic inflammation. -- Urothelial cells, a type of epithelial cell found only in the urinary tract, line the urinary tract and they become reactive (changed) when injured by inflammation.
Squamous Epithelial Cells in Urine. The pathological problems connected with kidneys and other parts of the body can be detected by the presence of columnar epithelial cells in the urine. The urine may be contaminated if squamous epithelial cells are found in the urine.