the basal concentration of adenosine 3',5'-phosphate ( cyclic amp ) in the cultured ducts was 43.3 +/- 6.8 mumol.1-1 duct epithelium ( n = 5 ) and was increased to 188.9 +/- 55.2 mumol.l-1 duct epithelium ( n = 5 ) in the presence of 10 ( -8 ) m secretin .
C0687028
ducts
C1512086
duct epithelium