Ultrastructural analysis of megakaryocytes revealed abnormal development characterized by hyperdemarcation of cytoplasmic membranes and reduced numbers of alpha granules .
ultrastructural analysis of megakaryocytes revealed abnormal development characterized by hyperdemarcation of cytoplasmic membranes and reduced numbers of alpha granules .
O O O B-cell_type O O O O O B-other_name O B-cell_component I-cell_component O O O O B-cell_component I-cell_component O