what does rare mucous in urine mean
Answers. Best Answer: Epithelial cells in urine just help to show the specimen is not very good. They come from the vagina and show contamination from vaginal secretions. Rare bacteria and mucus threads mean there is little or no infection.So all of these being rare mean you have a good specimen that is not infected.this is normal.hey come from the vagina and show contamination from vaginal secretions. Rare bacteria and mucus threads mean there is little or no infection. So all of these being rare mean you have a good specimen that is not infected. this is normal.