immunoreactive crf was present in fetal hypothalami as early as day 100 ( 2.42 +/- 0.99 ( s.e.m . ) micrograms/g protein , n = 9 ) and in similar concentrations at day 140 ( 2.31 +/- 0.69 micrograms/g protein , n = 9 ) .
C0010132
crf
C0020663
hypothalami