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Metabolic states.
Absorptive (fed), post-absorptive (fasted).
Fed state hormones.
High insulin → glucose use/storage.
Fasted state hormones.
High glucagon → mobilization, gluconeogenesis.
Insulin role.
Lowers blood glucose; anabolic.
Glucagon role.
Raises blood glucose; catabolic.
Insulin-responsive tissues.
Muscle + adipose via GLUT insertion.
Exercise & glucose.
Contraction stimulates GLUT insertion.
Liver fasted role.
Gluconeogenesis; glycogen breakdown.
Chylomicron role.
Dietary TG transport to adipose.
VLDL role.
Liver lipids → tissues.
Hunger hormones.
Leptin + insulin suppress; ghrelin stimulates.
Diabetes types.
Type I: no insulin; Type II: resistance.