Urinary Concentration and Dilution
			1400
																					% water remaining
													25%
			1200
																																	< 1%
				900
				600
																								Maximal ADH
				300
																												3%
										35%
														15%
																															10%
																									No ADH
								Proximal tubule				Henle’s loop							Distal tubule				Cortical collecting duct					Medullary collecting duct