title: Light and electron microscopic observations of thyroid parafollicular cells of the opossum.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D005260:Female; D006056:Golgi Apparatus / Q000648:ultrastructure; D008297:Male; D008928:Mitochondria / Q000648:ultrastructure; D009893:Opossums; D013961:Thyroid Gland / Q000166:cytology* / Q000648:ultrastructure