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.
Normal Cellsâvoided urine: Normal urothelial cells are characterized by large round nuclei, often multiple, with prominent nucleoli and vesicular cytoplasm. In this photograph, several squamous cells are present and are characteristically without nucleoli.