Renin-angiotensin-aldosterone and potassium-aldosterone feedback loops Renin-angiotensin-aldosterone and potassium-aldosterone feedback loops. Zona glomerulosa aldosterone production and secretion are determined by input from each loop (ACE, angiotensin-converting enzyme; ACTH, cortocotropin; ANP, atrial natriuretic peptide; BP, blood pressure; K+, potassium; Na+, sodium). Source: Chapter 10. Endocrine Hypertension, Greenspan’s Basic & Clinical Endocrinology, 9e Citation: Gardner DG, Shoback D. Greenspan’s Basic & Clinical Endocrinology, 9e; 2011 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/Books/gard9/gard9_c010f001.gif&sec=39747020&BookID=380&ChapterSecID=39744050&imagename= Accessed: January 02, 2018 Copyright © 2018 McGraw-Hill Education. All rights reserved