Chapter 3 - Hormones
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- Created on: 20-04-16 14:19
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- Chapter 3 - Hormones
- Mammalian hormones
- Catecholamines
- produced from amino acids
- Example: Adrenaline
- Polypeptides (proteins)
- Example: Insulin
- Steroids
- Example: Testosterone
- Catecholamines
- Messengers
- First messengers
- The hormones
- Second messengers
- cAMP
- G-protein
- First messengers
- The pancreas
- Islets of Langerhans
- Alpha cells
- Secrete glucagon when glucose levels fall
- Increase in rate of glycogen breakdown
- Increase in glucose production by gluconeogeneis
- Secrete glucagon when glucose levels fall
- Beta cells
- Secrete insulin when glucose levels rise
- Increases GLUT4 channels in the cell membranes
- Increase in production rate of glycogen
- Secrete insulin when glucose levels rise
- Alpha cells
- Islets of Langerhans
- Diabetes mellitus
- Mammalian hormones
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