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neurolemma

neurolemma

9.9
A thin membrane that surrounds a nerve fiber and helps it heal
  • noun
  • /ˌnʊroʊˈlɛmə/
  • Specialized
translation icon : neurolema
  • The neurolemma plays an essential role in the regeneration of injured nerve fibers.

Examples

  • Under the microscope, the neurolemma can be seen enveloping the axon.

  • Damage to the neurolemma may impede proper nerve function.

  • The neurolemma protects the nerve fibers.

  • In the peripheral nervous system, the neurolemma plays a crucial role.

  • The neurolemma plays an essential role in the regeneration of injured nerve fibers.

  • Under the microscope, the neurolemma can be seen enveloping the axon.

  • Damage to the neurolemma may impede proper nerve function.

Synonyms

myelin sheath
vsneurolemma
  • Specialized
1 7.2

A fatty layer around nerve fibers that helps signals travel fast

is a thin membranous covering, not mainly a fatty insulating layer
neurilemma
vsneurolemma
  • Specialized
9.9

A thin outer covering around nerves outside the brain and spinal cord that helps them heal

has identical meaning but is an alternate name used for the same membrane
axolemma
vsneurolemma
  • Specialized
9.9

A thin outer cover of the long part of a nerve cell

refers to the sheath around the entire nerve fiber rather than only the axon
endoneurium
vsneurolemma
  • Specialized
9.9

A thin layer of tissue that surrounds a single nerve fiber inside a nerve

is a thin membranous sheath rather than a connective tissue covering
medullary sheath
vsneurolemma
  • Specialized
8.9

A thin fatty layer that covers nerve fibers and helps signals travel faster

describes a membranous sheath rather than specifically a myelin layer

Surface Forms

neurolemma singular
neurolemmas plural

Morphology

neurolemma = lemma (opaque) = neuro + lemma

The word uses the technical combining form 'neuro-' plus 'lemma', but the resulting meaning 'nerve sheath' is specialized and not readily recoverable for an average learner.

Etymology

Neurolemma comes from Greek parts neuro- meaning 'nerve' and -lemma meaning 'sheath' or 'cover'. So, it names the thin cover that wraps a nerve fiber, which is why a neurolemma is the membrane surrounding a nerve.