patients with cushing 's disease or the ectopic acth-excess syndrome have normal or low production of the mchs , aldosterone and 18-hydroxycorticosterone ( 18-ohb ) , by the zona glomerulosa ( zg ) , elevated cortisol and deoxycorticosterone ( doc ) levels , and high-normal to elevated production of the mchs corticosterone ( b ) and 18-hydroxydeoxycorticosterone ( 18-ohdoc ) by the zona fasciculata ( zf ) .
C0000172
18-hydroxycorticosterone
C0010124
corticosterone