Inflammation of the spinal cord and of its enveloping arachnoid and pia mater, and less commonly also of the dura mater. [meningo- + G. myelos, marrow, + -itis, inflammation]
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me·nin·go·my·eli·tis -.mī-ə-'līt-əs n, pl -elit·i·des -ə-'lit-ə-.dēz inflammation of the spinal cord and its enveloping membranes
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n.
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me·nin·go·my·eli·tis (mə-ning″go-mi″ə-liґtis) [meningo- + myelo- + -itis] inflammation of the spinal cord and its membranes. Called also myelomeningitis.Medical dictionary. 2011.