title: Freeze-fracture of adrenal chromaffin granules.
mesh_terms: D000313:Adrenal Medulla / Q000648:ultrastructure*; D000818:Animals; D002417:Cattle; D003594:Cytoplasmic Granules / Q000648:ultrastructure*; D005614:Freeze Fracturing; D008855:Microscopy, Electron, Scanning