释义 |
myelodysplasia
my·e·lo·dys·pla·sia M5551900 (mī′ə-lō-dĭs-plā′zhə)n.1. Abnormal development of the spinal cord.2. Dysplasia of myelocytes and other cells in the bone marrow. my′e·lo·dys·plas′tic (-plăs′tĭk) adj.Translationsmyelodysplasia
myelodysplasia[‚mī·ə·lō·dis′plā·zhə] (medicine) Abnormal spinal cord development, especially the lumbosacral portion. myelodysplasia
myelodysplasia [mi″ĕ-lo-dis-pla´zhah] 1. a neural tube defect consisting of defective development of part of the spinal cord. See also spina bifida.2. dysplasia of myelocytes and other elements of the bone marrow, a chronic disease that in time may evolve into leukemia" >acute myelogenous leukemia. adj., adj myelodysplas´tic.my·e·lo·dys·pla·si·a (mī'ĕ-lō-dis-plā'zē-ă), 1. An abnormality in development of the spinal cord, especially the lower part of the cord. 2. Inappropriate term for spina bifida occulta. Synonym(s): myelodyspoiesis [myelo- + G. dys-, difficult, + plasis, a molding] myelodysplasia (mī′ə-lō-dĭs-plā′zhə)n.1. Abnormal development of the spinal cord.2. Dysplasia of myelocytes and other cells in the bone marrow. my′e·lo·dys·plas′tic (-plăs′tĭk) adj.myelodysplasia Hematology Abnormal BM precursor cells, which may lead to CML. See Myelodysplastic syndrome Neurology A generic term for various developmental defects of the spinal cord and nerve roots–eg, myelomeningocele, sacral agenesis, spinal dysraphism and caudal regression syndrome;1⁄3 of infants with myelodysplasia develop external urethral sphincter dysfunction, often in the first 3 yrs of life, 1⁄2of which are permanent. my·e·lo·dys·pla·si·a (mī'ĕ-lō-dis-plā'zē-ă) 1. An abnormality in development of the spinal cord, especially the lower part of the cord. 2. A disorder within the bone marrow, characterized by the proliferation of abnormal stem cells, which have the potential of developing into a specific type of leukemia. [myelo- + G. dys-, difficult, + plasis, a molding]myelodysplasia See MYELODYSPLASTIC SYNDROME. |