noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   the outermost nucleated cytoplasmic layer of Schwann cells that surrounds the axon of the neuron.
2. 2
   thin membranous sheath around a nerve fiber wordnet

Synonyms

All synonyms

neurilemmaneurilemmasheath of swannsheath of swann

Etymology

From neuro- + lemma.

Related phrases

schwann cell

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.