title: Ultrastructural organization of maturing megakaryocytes.
mesh_terms: D000818:Animals; D001792:Blood Platelets / Q000648:ultrastructure; D002454:Cell Differentiation; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D006056:Golgi Apparatus / Q000648:ultrastructure; D006410:Hematopoiesis; D006801:Humans; D008533:Megakaryocytes / Q000648:ultrastructure*; D008566:Membranes / Q000648:ultrastructure; D008854:Microscopy, Electron; D008954:Models, Biological; D013921:Thrombocytopenia / Q000473:pathology