PSL300H1 Lecture Notes - Lecture 29: Basal Metabolic Rate, Anorectic, Beta Cell
Document Summary
Insulin (prevents hyperglycemia) beta cells (in the islet of langerhans); secreted in response to glucose, glp-1, pns; it decreases blood glucose and promotes anabolic pathways; it is involved with growth. Glucagon (prevents hypoglycemia) alpha cells secrete glucagon in response to low glucose; Sns increase blood glucose, gluconeogenesis, glycogenolysis; catabolic pathways to increase energy. Glp-1 released from the intestine (l cells) in response to glucose/amino acids and stimulates insulin secretion; it increases beta cell mass; anorexigenic hormone (ie. decreases our appetite); decreases glucagon. Metabolism the sum of all chemical reactions in the body (nutrients stored or energy extracted to be used for work) Basal metabolic rate (bmr) an individual"s energy expenditure when resting; comfortable temperature and fasted. Energy balance we control our caloric intake and exercise. Metabolic processes in the fed and fasted state. Anabolic left to right side of diagram. Catabolic right to left side of diagram.
