Annular dense-cores in secretory granules of hamster adrenal medulla.
D000313:Adrenal Medulla / Q000648:ultrastructure*; D000818:Animals; D006224:Cricetinae; D003584:Cytological Techniques; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D004759:Enterochromaffin Cells / Q000648:ultrastructure