Table 1 The β-adrenergic system
From: Bench-to-bedside review: β-Adrenergic modulation in sepsis
Target | Sympathetic receptor | |
|---|---|---|
Heart | Cardiac muscle | β1β2 increases |
Heart rate | β1β2 increases | |
Blood vessels | Vascular smooth muscle | β2 relaxes |
Smaller coronary arteries | β2 dilates | |
Hepatic artery | β2 dilates | |
Arteries to skeletal muscle | β2 dilates | |
Veins | β2 dilates | |
Respiratory system | Smooth muscles of bronchioles | β2 relaxes |
Digestive system | Smooth muscle of gastrointestinal tract | β2 relaxes |
Sphincters of gastrointestinal tract | β2 contracts | |
Kidney | β1 enhances renin secretion | |
Liver | β2 increases glycogenolysis, gluconeogenesis | |
Adipose cells | β1β3 stimulates lipolysis | |
Urinary system | Detrusor | β2 relaxes |
Sphincter | β2 relaxes | |
Reproductive system | Uterus | β2 relaxes |
Nervous system | Ciliary muscles | β2 relaxes |