myeloblast /my·elo·blast/ (mi´ĕ-lo-blast″) an immature cell found in the bone marrow and not normally in the peripheral blood; it is the most primitive precursor in the granulocytic series, which matures to develop into the promyelocyte and eventually the granular leukocyte.myeloblas´tic
myeloblast
my·e·lo·blast (m   -l-bl st )n. An immature cell of the bone marrow that is the precursor of a myelocyte. Also called premyelocyte. |
myeloblast
[mī′əlōblast′]
Etymology: Gk, myelos + blastos, germ
one of the earliest precursors of the granulocytic leukocytes. The cytoplasm appears light blue, scanty, and nongranular when seen in a stained blood smear through a microscope. The nucleus contains distinct chromatin material in strands, together with several nucleoli. In certain leukemias a marked increase in myeloblasts is observed in the marrow and in the peripheral blood. Compare megaloblast, myelocyte, normoblast. See also myelocytic leukemia. myeloblastic, adj.
myeloblast
an immature cell of bone marrow, not normally found in peripheral blood; it is the most primitive precursor in the granulocytic series, which develops into the promyelocyte and eventually into a granulocyte.
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