growth hormone
DESCRIPTION
GROWTH HORMONETRANSCRIPT
Effects of Human Growth Hormone
Process Diagrams Step-by-Step
Copyright © 2007 by John Wiley & Sons, Inc.
Low blood glucose(hypoglycemia)stimulates release of
GHRH
1
Low blood glucose(hypoglycemia)stimulates release of
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHRH
1
2
Low blood glucose(hypoglycemia)stimulates release of
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHRH
hGH and IGFs speedup breakdown of liverglycogen into glucose,which enters the bloodmore rapidly
1
3
2
Low blood glucose(hypoglycemia)stimulates release of
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHRH
hGH and IGFs speedup breakdown of liverglycogen into glucose,which enters the bloodmore rapidly
Blood glucose levelrises to normal(about 90 mg/100 mL)
1
3
4
2
Low blood glucose(hypoglycemia)stimulates release of
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHRH
hGH and IGFs speedup breakdown of liverglycogen into glucose,which enters the bloodmore rapidly
Blood glucose levelrises to normal(about 90 mg/100 mL)
If blood glucosecontinues to increase,hyperglycemia inhibitsrelease of GHRH
1
3
4
5
2
Anteriorpituitary
Low blood glucose(hypoglycemia)stimulates release of
High blood glucose(hyperglycemia)stimulates release of
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHIHGHRH
hGH and IGFs speedup breakdown of liverglycogen into glucose,which enters the bloodmore rapidly
Blood glucose levelrises to normal(about 90 mg/100 mL)
If blood glucosecontinues to increase,hyperglycemia inhibitsrelease of GHRH
1 6
3
4
5
2
Anteriorpituitary
GHIH inhibitssecretion ofhGH bysomatotrophs
Low blood glucose(hypoglycemia)stimulates release of
High blood glucose(hyperglycemia)stimulates release of
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHIHGHRH
hGH and IGFs speedup breakdown of liverglycogen into glucose,which enters the bloodmore rapidly
Blood glucose levelrises to normal(about 90 mg/100 mL)
If blood glucosecontinues to increase,hyperglycemia inhibitsrelease of GHRH
1 6
7
3
4
5
2
GHIH inhibitssecretion ofhGH bysomatotrophs
Low blood glucose(hypoglycemia)stimulates release of
High blood glucose(hyperglycemia)stimulates release of
Anteriorpituitary
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHIHGHRH
A low level of hGH andIGFs decreases the rateof glycogen breakdownin the liver and glucoseenters the blood moreslowly
hGH and IGFs speedup breakdown of liverglycogen into glucose,which enters the bloodmore rapidly
Blood glucose levelrises to normal(about 90 mg/100 mL)
If blood glucosecontinues to increase,hyperglycemia inhibitsrelease of GHRH
1 6
7
83
4
5
2
GHIH inhibitssecretion ofhGH bysomatotrophs
Low blood glucose(hypoglycemia)stimulates release of
High blood glucose(hyperglycemia)stimulates release of
Anteriorpituitary
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHIHGHRH
A low level of hGH andIGFs decreases the rateof glycogen breakdownin the liver and glucoseenters the blood moreslowly
Blood glucose levelfalls to normal(about 90 mg/100 mL)
hGH and IGFs speedup breakdown of liverglycogen into glucose,which enters the bloodmore rapidly
Blood glucose levelrises to normal(about 90 mg/100 mL)
If blood glucosecontinues to increase,hyperglycemia inhibitsrelease of GHRH
1 6
7
8
9
3
4
5
2
GHIH inhibitssecretion ofhGH bysomatotrophs
Low blood glucose(hypoglycemia)stimulates release of
High blood glucose(hyperglycemia)stimulates release of
Anteriorpituitary
hGH
GHRH stimulatessecretionof hGH bysomatotrophs
GHIHGHRH
A low level of hGH andIGFs decreases the rateof glycogen breakdownin the liver and glucoseenters the blood moreslowly
Blood glucose levelfalls to normal(about 90 mg/100 mL)
hGH and IGFs speedup breakdown of liverglycogen into glucose,which enters the bloodmore rapidly
Blood glucose levelrises to normal(about 90 mg/100 mL)
If blood glucosecontinues to increase,hyperglycemia inhibitsrelease of GHRH
If blood glucosecontinues to decrease,hypoglycemia inhibitsrelease of GHIH
1 6
7
8
9
10
3
4
5
2