using the oxazine dye rhodanile blue , large typical megakaryocytes and small megakaryocytes ( micromegakaryocytes ) from the bone marrows of normal persons , and from patients with a variety of preleukemic disorders , acute lymphoblastic and nonlymphoblastic leukemia , chronic granulocytic leukemia , and idiopathic thrombocytopenic purpura as an example of nonmalignant but abnormal megakaryocytopoiesis , showed intense pink staining of the cytoplasm .
C0025166
megakaryocytes
C0005953
bone marrows