Base your answer off of the information provided: Draw a schematic diagram showing how the osmolarity of the “lumen” solution changes as it moves through Bowman’s capsule, then the proximal tubule, the descending loop of Henle, the bottom portion of the loop of Henle, the ascending portion of Henle, the distal tubule and the collecting duct. Do this both in the presence and absence of antidiuretic hormone (two separate diagrams). Be sure to put numbers indicating osmotic values at appropriate portions of the lumen. Also show the osmotic gradient that exists in the extracellular matrix of the kidney, going from the top of the cortex to the bottom of the medulla; be sure to put in numbers.
Base your answer off of the information provided: Draw a schematic diagram showing how the osmolarity of the “lumen” solution changes as it moves through Bowman’s capsule, then the proximal tubule, the descending loop of Henle, the bottom portion of the loop of Henle, the ascending portion of Henle, the distal tubule and the collecting duct. Do this both in the presence and absence of antidiuretic hormone (two separate diagrams). Be sure to put numbers indicating osmotic values at appropriate portions of the lumen. Also show the osmotic gradient that exists in the extracellular matrix of the kidney, going from the top of the cortex to the bottom of the medulla; be sure to put in numbers.
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter14: The Urinary System
Section: Chapter Questions
Problem 15RE
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Base your answer off of the information provided:
Draw a schematic diagram showing how the osmolarity of the “lumen” solution changes as it moves through Bowman’s capsule, then the proximal tubule, the descending loop of Henle, the bottom portion of the loop of Henle, the ascending portion of Henle, the distal tubule and the collecting duct. Do this both in the presence and absence of antidiuretic hormone (two separate diagrams). Be sure to put numbers indicating osmotic values at appropriate portions of the lumen. Also show the osmotic gradient that exists in the extracellular matrix of the kidney, going from the top of the cortex to the bottom of the medulla; be sure to put in numbers. In a third diagram, draw an “aberrant” kidney in which at the top of the medulla, the extracellular osmotic gradient was 1400 mosm and at the very end of the loop of Henle the osmolarity was 300. Draw the direction of the flow of water and salts as they move through the loop of Henle in this aberrant condition.
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