title: Light and electron microscopical observations on thyroid cysts in vitamin-A deficient guinea pigs.
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D013961:Thyroid Gland / Q000473:pathology* / Q000648:ultrastructure; D014460:Ultimobranchial Body / Q000473:pathology* / Q000648:ultrastructure; D014802:Vitamin A Deficiency / Q000473:pathology*