Minimal secretion between meals Entry of food stimulates secretions via neural and humoral mechanisms: Neural Pancreas is innervated by the vagus nerve which releases acetyl cholineWhen activated during the cephalic phase of digestion in anticipation of a meal, there...
1. Cephalic Phase 2. Gastric Phase 3. Intestinal Phase Describes the activity that occurs in anticipation of a mealSignals are transmitted from the brain via the vagus nerve causing release of acetylcholine in nerve endings in the pancreasCauses moderate amounts of...
Insulin Structure, Sythesis & Transport A peptide hormone made of 51 amino acidsFormed of 2 chains (α and β) connected by disulphide bridgesSynthesised as proinsulin with chains joined by C-peptideC-peptide excised by endopeptidases in the endoplasmic...
Function Key to glucose homeostasis - 'hypoglycaemic anabolic hormone':Liver:Promotes glycolysis and storage of glucose as glycogen (glycogenesis)Promotes conversion of glucose to triglyceridesMusclePromotes the uptake of glucose and its storage as glycogenAdipose...