What is the normal function of Anti Diuretic hormone (ADH)? What is DI? diabainein: Greek, “to pass through” insipidus: Latin, “having no flavor” DI is defined as excess passage of large volumes (> 3 L/day) of dilute urine (osmolality< 300mOsmol/kg) What are the causes of excess urination (increased urine volume)? 1. Diabetes Mellitus or sugar [...]