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.
Aldosterone - Biological function. 1  Aldosterone is the primary of several endogenous members of the class of mineralocorticoids in humans. 1  Deoxycorticosterone is another important member of this class. Aldosterone tends to promote Na+ and water retention, and lower plasma K+ concentration by the following mechanisms: