in 10-day-old rats made hypothyroid by giving dams propylthiouracil ( ptu ) in the drinking water since the day of parturition , simultaneous radioimmunoassay ( ria ) determinations of basal and stimulated growth hormone ( gh ) secretion , hypothalamic gh-releasing hormone ( ghrh ) -like immunoreactivity ( li ) content , immunocytochemical localization of somatotrophs , and hypothalamic ghrh-li-positive structures were performed .
C0037668
gh-releasing hormone
C0020663
hypothalamic