The anatomy and physiology including the histological appearance of the kidney will be studied and their role in maintaining homeostasis. Of particular importance will be the process of glomerular filtration, tubular reabsorption, secretion and the hormones which will influence these processes. Movement of urine down the ureter and its storage in the bladder prior to micturition are covered and the anatomy of the bladder and ureters dealt with together with the nerve supply. Actions of diuretics will be included.