A2 Biology Chapter 3
- Created by: Chloesn
- Created on: 05-10-14 15:10
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- Hormones
- Endocrine
- Posterior pituitary gland
- Oxytocin
- Contrations
- Oxytocin
- Hormones
- Directly into the blood
- Posterior pituitary gland
- Exocrine
- Secretes substances into ducts
- Carries to another part
- Salivary gland
- Secretes substances into ducts
- Target tissue
- Specific receptors
- Binds/slots
- Alter shape
- Specific receptors
- Mammalian hormones
- Usually small
- Catecholamine
- Steorid
- Cytoplasm
- Polypetide
- Protein
- Small amounts
- Large affects
- Short lived
- Receptors
- Plasma membrane
- Cytoplasm
- Messengers
- First messenger
- Adrenaline
- Second messenger
- Cyclic AMP
- Different affects on different cells
- First messenger
- The pancreas
- Pancreatic juice
- Amylase
- Lipase
- Trypsin
- Pancreatic juice
- Controlling blood glucose
- Carbohydrate transported as glucose
- Store as glycogen
- Liver and muscle cells
- Store as glycogen
- Islets of langerhans
- Alpha
- Glucagon
- Too low
- Beta
- Insulin
- Too high
- Alpha
- Transporter proteins
- GLUT4
- Negative feeback
- Receptors
- Effectors
- Carbohydrate transported as glucose
- Controlling insulin
- Not fully understood
- Beta cells
- Channels
- Potassium
- 2K+ out
- ATP sensitive
- Close
- Electrical potential differnce
- Close
- Calcium
- 3Ca+ in
- Open
- Electrical potential differnce
- Vesicle of insulin exocytosis
- Potassium
- Channels
- Diabetes mellitus
- Glucose control impaired
- Type 1
- Insulin-dependant
- Insufficient amounts of insulin
- Insulin-dependant
- Type 2
- Non-insulin-dependant
- In adequate response
- Later life
- Non-insulin-dependant
- Risk factors
- Apple shaped
- High BMI
- Obesity
- Genetics
- Treatment
- No cure
- GM insulin
- Moral
- Cost
- Rejection
- Precursor cells in the pancreas
- Symptoms
- Hypoglycaemia
- Low
- Hyperglycaemia
- High
- Ketoacidosis
- Excreted in the urine
- Can be unrecognised
- Hypoglycaemia
- Controlling heart rate
- SAN
- Pacemaker
- Parasympathetic nerve
- Decrease
- Sympathetic nerve
- Increase
- Noradrenaline
- Vagus nerve
- SAN
- Endocrine
- Symptoms
- Hypoglycaemia
- Low
- Hyperglycaemia
- High
- Ketoacidosis
- Excreted in the urine
- Can be unrecognised
- Hypoglycaemia
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