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.
What can the presence of red blood cells in the urine mean? Red blood cells can enter the urine from the vagina in menstruation or from the trauma of bladder catheterization. A high count of red blood cells in the urine can indicate infection, trauma, tumors, or kidney stones.