title: Electron microscopic study on the thyroid gland of the salamander Hynobius nebulosus in the breeding season. I. Observation under normal conditions.
mesh_terms: D000818:Animals; D001947:Breeding; D002467:Cell Nucleus; D003102:Colloids; D003460:Crystallization; D003594:Cytoplasmic Granules; D003896:Desmosomes; D004721:Endoplasmic Reticulum; D004847:Epithelial Cells; D005260:Female; D006056:Golgi Apparatus; D002479:Inclusion Bodies; D008247:Lysosomes; D008297:Male; D008853:Microscopy; D008854:Microscopy, Electron; D008870:Microtubules; D008928:Mitochondria; D012270:Ribosomes; D013961:Thyroid Gland / Q000166:cytology*; D014562:Caudata / Q000033:anatomy & histology*
chemical_list: D003102:Colloids