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During its maturation, the megakaryocyte grows in size and replicates its DNA without cytokinesis in a process called endomitosis. As a result, the nucleus of the megakaryocyte can become very large and lobulated, which, under a light microscope, can give the false impression that there are several nuclei.
During thrombopoiesis, the promegakaryocyte matures into the form of a megakaryocyte. From the megakaryocyte, platelets are formed. [1] The megakaryoblast is the beginning of the thrombocytic series or platelet forming series. Megakaryoblasts typically have a large oval-shaped nucleus or a nucleus that is lobed with many nuclei. [2]
Megakaryocyte and platelet production is regulated by thrombopoietin, ... The smear reveals size, shape, qualitative number, and clumping. A healthy adult typically ...
CFU-GEMM is a colony forming unit that generates myeloid cells.CFU-GEMM cells are the oligopotential progenitor cells [1] [2] for myeloid cells; they are thus also called common myeloid progenitor cells or myeloid stem cells.
Langhans giant cells are named for the pathologist who discovered them, Theodor Langhans. Like many of the other kinds of giant cell formations, epithelioid macrophages fuse together and form a multinucleated giant cell. The nuclei form a circle or semicircle similar to the shape of a horseshoe away from the center of the cell.
A wealth of new information about Earth’s inner core has surfaced in recent months. Scientists now have evidence that the planet’s innermost layer is changing shape.
It is a ratio of the size (i.e., volume) of the nucleus of a cell to the size of the cytoplasm of that cell. [1] The N:C ratio indicates the maturity of a cell, because as a cell matures the size of its nucleus generally decreases.
Megakaryocyte: Platelets if considered distinct cells, currently there's debate on the subject. Monocyte (white blood cell) Connective tissue macrophage (various types) Epidermal Langerhans cell: Osteoclast: in bone Dendritic cell: Microglial cell: central nervous system: Neutrophil granulocyte: myeloblast, promyelocyte, myelocyte, metamyelocyte