passages.id: split_4_test_1656_passage
passages.type: progene_text
passages.text: Double immunofluorescent studies were undertaken on normal pituitary to define the cellular localization of 11 beta HSD isoenzymes using antisera against GH , ACTH , LH , FSH , PRL , and S100 , a nonhormonal marker of folliculo - stellate cells .