When these receptors detect a blood volume increase in the atria, the atrial stretch triggers the release of Atrial Natriuretic Peptide (ANP), and a signal is transmitted from the receptors to the hypothalamus in the brain.
When these receptors detect an increase in blood volume within the atria, they trigger the release of Atrial Natriuretic Peptide (ANP), and a signal is transmitted from the receptors to the hypothalamus in the brain.