title: Methods for preparation of secretory granules from anterior pituitary glands.
mesh_terms: D000818:Animals; D002458:Cell Fractionation / Q000379:methods; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D010902:Pituitary Gland / Q000166:cytology*; D010903:Pituitary Gland, Anterior / Q000166:cytology*; D051381:Rats; D012822:Silicon Dioxide; D014461:Ultracentrifugation
chemical_list: D012822:Silicon Dioxide