| 释义 |
DictionarySeedegenerationEncyclopediaSeeDegenerationgray degeneration
gray de·gen·er·a·tiondegeneration of the white substance of the spinal cord, the fibers of which lose their myelin sheaths and darken.gray de·gen·er·a·tion (grā dĕ-jen'ĕr-ā'shŭn) Degeneration of the white substance of the spinal cord, the fibers of which lose their myelin sheaths and become darker in color. gray degenerationDegeneration in myelinated nerve tissue due to chronic inflammation, causing the nerve tissue to turn gray. See also: degeneration |