Definition of Myelin Sheath in English :
Define Myelin Sheath in English
Myelin Sheath meaning in English
Meaning of Myelin Sheath in English
Pronunciation of Myelin Sheath in English
Myelin Sheath pronunciation in English
Pronounce Myelin Sheath in English
Myelin Sheath
see synonyms of myelin sheathNoun
1. medullary sheath, myelin sheath
a layer of myelin encasing (and insulating) the axons of medullated nerve fibers
WordNet Lexical Database for English. Princeton University. 2010.
Myelin Sheath
see synonyms of myelin sheathnoun
physiology
an insulating sheath, composed of myelin, around certain nerve fibres. Damage to the myelin sheath causes neurological disease, as in multiple sclerosis
Collins English Dictionary. Copyright © HarperCollins Publishers
Myelin Sheath
see synonyms of myelin sheathn.
The insulating envelope of myelin that surrounds the core of a nerve fiber or axon and facilitates the transmission of nerve impulses. In the peripheral nervous system, the sheath is formed from the membranes of Schwann cells, and in the central nervous system it is formed from oligodendrocytes. Also called medullary sheath.
The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.