title: Purification of two structurally and morphologically distinct populations of rat neurohypophysial secretory granules.
mesh_terms: D000818:Animals; D002458:Cell Fractionation / Q000379:methods; D002499:Centrifugation, Density Gradient / Q000379:methods; D003594:Cytoplasmic Granules / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009481:Neurophysins / Q000032:analysis; D009994:Osmolar Concentration; D010121:Oxytocin / Q000032:analysis; D010904:Pituitary Gland, Posterior / Q000648:ultrastructure*; D051381:Rats; D014667:Vasopressins / Q000032:analysis
chemical_list: D009481:Neurophysins; D014667:Vasopressins; D010121:Oxytocin