单词 | myelin |
释义 | myelin[ mahy-uh-lin ] / ˈmaɪ ə lɪn / noun Biology.a soft, white, fatty material in the membrane of Schwann cells and certain neuroglial cells: the substance of the myelin sheath. Also my·e·line [mahy-uh-leen]. /ˈmaɪ əˌlin/. Origin of myelinFirst recorded in 1865–70; myel- + -in2 OTHER WORDS FROM myelinmy·e·lin·ic, adjectiveWords nearby myelinmyel-, myelapoplexy, myelatelia, myelemia, myelencephalon, myelin, myelinated, myelinated fiber, myelination, myelinolysis, myelin sheath Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for myelin
British Dictionary definitions for myelinmyelin myeline (ˈmaɪɪˌliːn)/ (ˈmaɪɪlɪn) / nouna white tissue forming an insulating sheath (myelin sheath) around certain nerve fibres. Damage to the myelin sheath causes neurological disease, as in multiple sclerosis Derived forms of myelinmyelinic, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for myelinmyelin [ mī′ə-lĭn ] n.A white fatty material composed chiefly of alternating layers of lipids and lipoproteins that encloses the axons of myelinated nerve fibers. Droplets of lipid formed during autolysis and postmortem decomposition. Other words from myelinmy′e•lin′ic adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for myelinmyelin [ mī′ə-lĭn ] A whitish, fatty substance that forms a sheath around many vertebrate nerve fibers. Myelin insulates the nerves and permits the rapid transmission of nerve impulses. The white matter of the brain is composed of nerve fibers covered in myelin. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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