title: Morphological changes on the free surface of thyroid cells at the hormone secretion by scanning electron microscopy.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D008297:Male; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D011441:Propylthiouracil / Q000494:pharmacology*; D051381:Rats; D013961:Thyroid Gland / Q000187:drug effects / Q000648:ultrastructure*; D013972:Thyrotropin / Q000494:pharmacology*
chemical_list: D011441:Propylthiouracil; D013972:Thyrotropin