myelodysplasia

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Related to myelodysplasia syndrome: Preleukemia

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 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;13 of infants with myelodysplasia develop external urethral sphincter dysfunction, often in the first 3 yrs of life, 12of 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.