corticotrophin-releasing factor-41 ( crf-41 ) immunoreactivity has been measured in hypothalamic extracts of fetal ( on days 17 , 19 and 21 of gestation ) , neonatal ( 1 , 2 , 3 and 4 weeks of age ) and adult rats with a specific radioimmunoassay developed for synthetic rat crf-41 .
C0020663
hypothalamic
C0010132
crf-41