noun, plural: megakaryocytes
Megakaryocytes are the mature form of promegakaryocytes that originate from the megakaryoblasts. These cells owe their name from their large cell size that is 10 times larger than a typical erythrocyte. It is large because within the cell the DNA replicates but does not involve cytokinesis. Thus, the cell appears to contain many nuclei but it only has a single nucleus that became large and lobulated.
Related forms: megakaryocytic (adjective)
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... platelets are fragments of cells. So they still have a membrane and cytosol, but only some organelles, whichever end up there by chance when a megakaryocyte splits into many plateles.
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