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Acute megakaryoblastic leukemia (AMKL) is life-threatening leukemia in which malignant megakaryoblasts proliferate abnormally and injure various tissues. Megakaryoblasts are the most immature precursor cells in a platelet-forming lineage; they mature to promegakaryocytes and, ultimately, megakaryocytes which cells shed membrane-enclosed particles, i.e. platelets, into the circulation.
Megakaryoblasts typically have a large oval-shaped nucleus or a nucleus that is lobed with many nuclei. [2] The megakaryoblast resembles the myeloblast or lymphoblast morphologically; however the megakaryoblast varies in phenotype and the structure viewed with electron microscopy.
Myeloid leukemia is a type of leukemia affecting myeloid tissue.. Types include: Acute myeloid leukemia: A cancer of the myeloid line of blood cells, characterized by the rapid growth of abnormal cells that build up in the bone marrow and blood and interfere with normal blood cell production.
Acute myeloid leukemia (AML) is a cancer of the myeloid line of blood cells, characterized by the rapid growth of abnormal cells that build up in the bone marrow and ...
Diagram showing the development of different blood cells from haematopoietic stem cell to mature cells Comprehensive diagram that shows the development of different blood cells from haematopoietic stem cell to mature cells in both myeloid and lymphoid lineages.
A megakaryocyte (from mega- 'large' karyo- 'cell nucleus' and -cyte 'cell') is a large bone marrow cell with a lobated nucleus that produces blood platelets (thrombocytes), which are necessary for normal clotting.
CFU-GEMM gives rise to CFU-GM (leading to monoblasts and myeloblasts), CFU-Meg (leading to megakaryoblasts), and CFU-E (leading to proerythroblasts). The stem cell will follow a specific lineage depending on the presence of certain growth factors and cytokines. The GM-CSF and IL-3 both work together to stimulate production of all lines.
Specialty: Hematology and oncology: Symptoms: Bleeding, bruising, fatigue, fever, increased risk of infections [2] Usual onset: All ages, [3] most common in 60s and 70s. [4] It is the most common malignant cancer in children, but the cure rates are also higher for them.