title: Membrane behavior of exocytic vesicles. I. The ultrastructure of Paramecium trichocysts in freeze-fracture preparations.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D005614:Freeze Fracturing; D008566:Membranes / Q000648:ultrastructure; D009940:Organoids / Q000648:ultrastructure; D010247:Paramecium / Q000648:ultrastructure*