释义 |
promyelocyte
promyelocyte[prō′mī·ə·lə‚sīt] (histology) The earliest myelocyte stage derived from the myeloblast. promyelocyte
promyelocyte [pro-mi´ĕ-lo-sīt″] a precursor in the granulocytic series, intermediate between myeloblast and myelocyte, containing a few undifferentiated cytoplasmic granules.pro·my·e·lo·cyte (prō-mī'ĕ-lō-sīt'), 1. The developmental stage of a granular leukocyte between the myeloblast and myelocyte, when a few specific granules appear in addition to azurophilic ones. 2. A large uninuclear cell occurring in the circulating blood of persons with myelocytic leukemia. Synonym(s): premyelocyte, progranulocyte [pro- + G. myelos, marrow, + kytos, cell] promyelocyte (prō-mī′ə-lə-sīt′)n. A cell containing a few granules that develops from a myeloblast and develops into a myelocyte during the differentiation of a granulocyte.pro·my·e·lo·cyte (prō-mī'ĕ-lō-sīt) 1. The developmental stage of a granular leukocyte between the myeloblast and myelocyte, when a few specific granules appear in addition to azurophilic ones. 2. A large mononuclear cell of bone marrow representing an undifferentiated stage in the development of a granulocyte, between myeloblast and myelocyte; contains only a few undifferentiated cytoplasmic granules; rare in circulating blood except in myelocytic leukemias. Synonym(s): premyelocyte, progranulocyte. [pro- + G. myelos, marrow, + kytos, cell]promyelocyte (pro-mi'el-o-sit) [Gr. pro, before, + myelos, marrow, + kytos, cell] 1. A large mononuclear myeloid cell seen in the blood in leukemia. PROMYELOCYTE 2. Cell development between a myeloblast and a myelocyte, resembling a myeloblast. Synonym: progranulocyte See: illustration |