title: Fine-structural cytodifferentiation in thyroid glands, adrenal glands, and testes from an exceptionally old partially decapitated, hypophyseoprivic chicken embryo.
mesh_terms: D000311:Adrenal Glands / Q000648:ultrastructure*; D000818:Animals; D002454:Cell Differentiation; D002642:Chick Embryo / Q000166:cytology* / Q000502:physiology; D008297:Male; D010902:Pituitary Gland / Q000502:physiology; D013737:Testis / Q000648:ultrastructure*; D013961:Thyroid Gland / Q000648:ultrastructure*