the proliferative responses to igf-1 ( somatomedin c ) and tsh , as assessed by 3h-thymidine ( 3h-tdr ) incorporation and autoradiographic labelling index ( li ) , of suspension and monolayer cultures of human thyroid follicular epithelium derived from both normal and adenoma tissue have been compared .
C0014609
epithelium
C0001430
adenoma