MYELIN

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does myelin mean? 

• MYELIN (noun)
  The noun MYELIN has 1 sense:

1. a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers

  Familiarity information: MYELIN used as a noun is very rare.

 Dictionary entry details 

• MYELIN (noun)

Sense 1

Meaning:

A white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers

Classified under:

Nouns denoting substances

Synonyms:

medulla; myelin; myeline

Hypernyms ("myelin" is a kind of...):

fat (a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides))

Holonyms ("myelin" is a substance of...):

medullary sheath; myelin sheath (a layer of myelin encasing (and insulating) the axons of medullated nerve fibers)

Derivation:

myelinic (of or relating to the substance that forms a sheath around the axon of some nerve fibers)

 Context examples 

This allele, which encodes myelin transcription factor 1-like protein, plays a role in both neuronal development and transcription.

(MYT1L wt Allele, NCI Thesaurus)

It is characterized by myelin destruction, gliosis in the brain, and the presence of multinucleated globoid cells.

(Krabbe Disease, NCI Thesaurus)

As they penetrate the epithelium, they lose their myelin, and branch among the epithelial cells.

(Free Nerve Ending, NCI Thesaurus)

This protein is involved in the structure of the myelin sheath.

(Myelin Proteolipid Protein, NCI Thesaurus)

Myelin sheathes cover neuronal axons in the central and peripheral nervous system and function to increase travelling impulse speeds.

(Demyelinating Disorder, NCI Thesaurus)

Specifically, the diseases affect the myelin sheath, the material that surrounds and protects nerve cells.

(Leukodystrophies, NIH: National Institute of Neurological Disorders and Stroke)

These disorders are characterized by metabolic abnormalities in the development of the myelin sheaths in the white matter.

(Leukodystrophy, NCI Thesaurus)

Myelin protein zero-like protein 1 (269 aa, ~29 kDa) is encoded by the human MPZL1 gene.

(Myelin Protein Zero-Like 1, NCI Thesaurus)

A measurement of the myelin antibodies in a biological specimen.

(Myelin Antibodies Measurement, NCI Thesaurus/CDISC)

The determination of the amount of the myelin antibodies in a sample.

(Myelin Antibodies Measurement, NCI Thesaurus)