Group 2 Group 2 t0omosht CORTEX 300 H,0 300 MEDULLA 100 mosM 400 mOsM 300 mosM 300 mosM No vasopressin secretion H,0 H,0I 500 MOSM 600 H,0 600 100 mosM 600 mosM 600 mosM mOsM Maximal vasopressin secretion 700 mosM H,0 Vasa recta - - Vasa recta 800 mosM 100 mosM Production of low-volume, hyperosmotic urine 900 mosM 900 mOsM H,0 900 900 mosM H,0 1000 mosM 100 mosM H,0 Production of high-volume, hyposmotic urine 1200 mosM 1200 mosM 1100 mosM Collecting duct Aquaporin-2 channels are inserted into the apical 1200 mosM 1200 mosM Group 2 Group 2 membrane Vasopressin causes insertion of water pores into the apical membrane. Hormone vasopressin Vasa Cross section of recta collecting duct Medullary interstitial fluid Collecting duct lumen Vasa Collecting duct cell recta Vasopressin activation of receptors in the basal membrane Group 1 Group 1 Blood Filtrate flow H,0 Storage location of aquaporin-2 channels H,0 H,0 H,0 700 mosM 600 mosM 600 mosM Group 1 Water follows the osmotic Group 1 gradient into the blood Signal transduction pathway activates exocytosis of stored toaporin-2 water por CAMP vesicles Group 1 Group 1

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Label the steps involved in vasopressin activation of water reabsorption.
Part A
Drag the labels onto the diagram to identify specific steps in vasopressin activation of water reabsorption across the collecting duct epithelium.

 

Group 2
Group 2
t0omosht
CORTEX
300
H,0
300
MEDULLA
100 mosM
400 mOsM
300 mosM
300 mosM
No vasopressin secretion
H,0
H,0I
500 MOSM
600
H,0
600
100 mosM
600 mosM
600 mosM
mOsM
Maximal vasopressin secretion
700 mosM
H,0
Vasa recta -
- Vasa recta
800 mosM
100 mosM
Production of low-volume,
hyperosmotic urine
900 mosM
900
mOsM
H,0
900
900 mosM
H,0
1000 mosM
100 mosM
H,0
Production of high-volume,
hyposmotic urine
1200 mosM
1200 mosM
1100 mosM
Collecting duct
Aquaporin-2 channels are
inserted into the apical
1200 mosM
1200 mosM
Group 2
Group 2
membrane
Vasopressin causes insertion of water pores into the apical membrane.
Hormone vasopressin
Vasa Cross section of
recta collecting duct
Medullary
interstitial
fluid
Collecting
duct
lumen
Vasa
Collecting duct cell
recta
Vasopressin activation of
receptors in the basal
membrane
Group 1
Group 1
Blood Filtrate
flow
H,0
Storage location of aquaporin-2
channels
H,0
H,0
H,0
700 mosM
600 mosM
600 mosM
Group 1
Water follows the osmotic
Group 1
gradient into the blood
Signal transduction pathway
activates exocytosis of stored
toaporin-2
water por
CAMP
vesicles
Group 1
Group 1
Transcribed Image Text:Group 2 Group 2 t0omosht CORTEX 300 H,0 300 MEDULLA 100 mosM 400 mOsM 300 mosM 300 mosM No vasopressin secretion H,0 H,0I 500 MOSM 600 H,0 600 100 mosM 600 mosM 600 mosM mOsM Maximal vasopressin secretion 700 mosM H,0 Vasa recta - - Vasa recta 800 mosM 100 mosM Production of low-volume, hyperosmotic urine 900 mosM 900 mOsM H,0 900 900 mosM H,0 1000 mosM 100 mosM H,0 Production of high-volume, hyposmotic urine 1200 mosM 1200 mosM 1100 mosM Collecting duct Aquaporin-2 channels are inserted into the apical 1200 mosM 1200 mosM Group 2 Group 2 membrane Vasopressin causes insertion of water pores into the apical membrane. Hormone vasopressin Vasa Cross section of recta collecting duct Medullary interstitial fluid Collecting duct lumen Vasa Collecting duct cell recta Vasopressin activation of receptors in the basal membrane Group 1 Group 1 Blood Filtrate flow H,0 Storage location of aquaporin-2 channels H,0 H,0 H,0 700 mosM 600 mosM 600 mosM Group 1 Water follows the osmotic Group 1 gradient into the blood Signal transduction pathway activates exocytosis of stored toaporin-2 water por CAMP vesicles Group 1 Group 1
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