neurilemma noun. [njʊǝrɪ'lɛmǝ] Also neurolemma [njʊǝrǝ-], neurilema. Pl. -lemmata [-'lɛmǝtǝ], -lemmas. E19.
[Orig. from Greek neuron nerve + eilēma covering; later taken as from Greek lemma husk, skin. Cf. French névrilème.]
Anatomy.
1. A sheath of connective tissue around a nerve; epineurium, perineurium. Now rare or obsolete. E19.
2. The thin sheath of cells which surrounds the axon of a peripheral nerve fibre (and its myelin sheath where present). Also called sheath of Schwann. M19.

■ neurilemmal adjective E20.

■ neurilemmatous adjective M-L19.

■ neurile'mmoma noun, pl. -mas, -mata [-mǝtǝ], Medicine a neurofibroma M20.

[TahlilGaran] English Dictionary ▲