One difference between an MA and MS degree that some students donât think of is whether the degree is a terminal one. A terminal degree is the highest type of degree that an individual can receive in his or her field. An MA is usually a terminal degree, while an MS degree prepares students for working on their doctoral degrees later.
Aldosterone secretion is controlled by the RAA system and by concentrations of K+ in the circulation, which if increased evokes secretion of aldosterone.
250px Benjah 2006 Aldosterone 2D structure. Aldosterone is a steroid hormone which is secreted from the zona glomerulosa of the adrenal gland. It has a mineralocorticoid activity and is the most important regulator of plasma potassium..e. angiotensin 2 and aldosterone affect sodium, but they also affect the extra cellular fluid (ECF) volume, so only the quantity is affected, not the concentration. Antidiuretic hormone (ADH) and the thirst response also work together to dilute the ECF if the concentrations of sodium is high.