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 is part of a group of linked hormones, which form the renin-angiotensin-aldosterone system. Activation of this system occurs when there is decrease in blood flow to the kidneys following loss of blood volume or a drop in blood pressure (eg due to a haemorrhage) or decrease in plasma sodium concentration.