corticosterone

from WordNet (r) 3.0 (2006)

corticosterone
    n 1: secreted by the adrenal cortex; involved in regulating
         water and electrolyte balance in the body

from The Collaborative International Dictionary of English v.0.48

corticosterone \corticosterone\ n.
   any of several steroid compounds secreted by the adrenal
   cortex; they are involved in regulating water and electrolyte
   balance in the body.
   [WordNet 1.5] corticotrophin