natural anatomical 3d kidneys model with placard inscripted sos referring to patient or doctor for help. conceived for all symptom

abnormalities acute adrenal aid cancer care chronic close dialysis disease disorder doctor failure function gland help infection injury kidney model nephritic nephrology nephrotic obstruction organ pain pathology patient poisoning problem pyelonephritis referring sos stones symbol symptoms syndrome system tract transplantation treatment tumor underactive uremia ureteral urinalysis urinary urine urology