[dee-mahy-uh-luh-ney-shuh
n] 
| loss of myelin from the nerve sheaths, as in multiple sclerosis. |
| de·my·e·lin·ate (dē-mī'ə-lə-nāt') tr.v. de·my·e·lin·at·ed, de·my·e·lin·at·ing, de·my·e·lin·ates To destroy or remove the myelin sheath of (a nerve fiber), as through disease. de·my'e·lin·a'tion n. |
demyelination de·my·e·lin·a·tion (dē-mī'ə-lə-nā'shən) or de·my·e·lin·i·za·tion (-lə-nĭ-zā'shən, -lĭn'ĭ-)
n.
The destruction or removal of the myelin sheath of a nerve fiber, as through disease.
