title: Ultrastructure of the rat pineal gland after administration of triiodothyronine and thyreoidectomy.
mesh_terms: D000818:Animals; D008297:Male; D010870:Pineal Gland / Q000187:drug effects / Q000648:ultrastructure*; D051381:Rats; D013961:Thyroid Gland / Q000502:physiology*; D013965:Thyroidectomy; D014284:Triiodothyronine / Q000494:pharmacology*
chemical_list: D014284:Triiodothyronine