Schmidt-Lanterman incisure

Schmidt-Lanterman incisure

(shmĭt′-)
n.
Any of the funnel-shaped breaks in the myelin sheath of nerve fibers, each corresponding to strands of cytoplasm that separate the two membranes composing the myelin sheath. Also called Lanterman's incisure.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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Schmidt-Lanterman incisures are funnel-shaped small breaks within the compact myelin that contain cytoplasm which connects directly to the cell bodies in myelin of the PNS.
(2007) Nodal protrusions, increased Schmidt-Lanterman incisures, and paranodal disorganization are characteristic features of sulfatide-deficient peripheral nerves.