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.
Figure 1.7. Benign Urothelial Cellsâcatheterized urine: A cluster of benign urothelial cells is admixed with scattered benign superficial cells. The cells have oval nuclei and frothy cytoplasm. The nuclear to cytoplasmic ratio is slightly increased although the nuclei are small. (600x) Figure 1.8.