title: Ultrastructural changes in the thyroid follicular cells following encephalectomy or hypophysectomy in fetal rats.
mesh_terms: D000818:Animals; D001921:Brain / Q000601:surgery; D007016:Hypophysectomy; D008854:Microscopy, Electron; D051381:Rats; D011919:Rats, Inbred Strains / Q000196:embryology*; D013961:Thyroid Gland / Q000196:embryology* / Q000648:ultrastructure