Membrane events during the secretory process.
D000818:Animals; D002196:Capillaries / Q000378:metabolism / Q000648:ultrastructure; D002459:Cell Fusion; D002462:Cell Membrane / Q000378:metabolism* / Q000648:ultrastructure; D005613:Freeze Etching; D006651:Histocytochemistry; D051379:Mice; D008854:Microscopy, Electron; D010247:Paramecium / Q000378:metabolism / Q000648:ultrastructure; D013768:Tetrahymena / Q000378:metabolism / Q000648:ultrastructure