Angiotensin II triggers the contraction of the intraglomerular mesangial cells, which results in a decrease in the filtration surface area.
Angiotensin II is a peptide hormone capable of narrowing the blood vessels, which is fundamental in many physiological processes.
Angiotensin II is also fundamental for retaining sodium and water in the body and activating the secretion of aldosterone.
This peptide hormone (Angiotensin II) is secreted by various cells types, especially in the liver, in different body tissues.
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