Definition of Mineralocorticoids

Mineralocorticoids: A group of hormones (the most important being aldosterone) that regulate the balance of water and electrolytes (ions such as sodium and potassium) in the body. The mineralocorticoid hormones act on the kidney (and specifically on the tubules of the kidney).

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=4390
Last Editorial Review: 6/14/2012