corticosterone , a natural corticosteroid hormone in birds , when injected into domestic fowl ( gallus domesticus ) ( 2000 micrograms.kg-1 , 4-5 h before experiment ) increases both the basal isc ( short-circuit current ) and amiloride-sensitive isc as well as the pd across the colon in vitro .
C0001617
corticosteroid
C0019932
hormone