PPT Slide

Control of primary secretion

• ACh stimulates amylase and K+ secretion

• Acinar intracellular calcium concentration is stimulated by:

acetylcholine acting through muscarinic receptors

noradrenaline acting through a-adrenergic receptors

Control of modification in ducts

• ACh reduces Na+ & Cl- absorption

• b-adrenergic agonists increase Na+ absorption

• ACh stimulates HCO3- secretion

• Aldosterone stimulates Na+ absorption

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