urine analysis in hand against the background of a child. concept of bacteria and leukocytes, infection, close-up

analysis baby bacteria bacterial bacterium bacteriuria bladder child childish childrens chronic cloudy container cystitis disease dysuria hematuria infections inflammation kid kidneys leucocyte leukocyte leukocytes medical medicine mucus protein pyelonephritis sand therapy treatment urethritis urinalysis urine urinology urology