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Definition of Medullary sheath
1. Noun. A layer of myelin encasing (and insulating) the axons of medullated nerve fibers.
Exact synonyms: Myelin Sheath
Generic synonyms: Case, Sheath
Terms within: Axolemma, Nodes Of Ranvier, Ranvier's Nodes, Oligodendria, Oligodendroglia
Group relationships: Medullated Nerve Fiber, Myelinated Nerve Fiber
Terms within: Medulla, Myelin, Myeline
Generic synonyms: Case, Sheath
Terms within: Axolemma, Nodes Of Ranvier, Ranvier's Nodes, Oligodendria, Oligodendroglia
Group relationships: Medullated Nerve Fiber, Myelinated Nerve Fiber
Terms within: Medulla, Myelin, Myeline
Medical Definition of Medullary sheath
1.