neurilemma

American  

[noor-uh-lem-uh, nyoor-] / ˌnʊər əˈlɛm ə, ˌnyʊər- /

noun

Anatomy.

1. the delicate outermost membrane of the myelin sheath of a myelinated nerve cell.

---

neurilemma British  

/ ˌnjʊərɪˈlɛmə /

noun

1. a variant of neurolemma

---

Other Word Forms

• neurilemmal adjective
• neurilemmatic adjective
• neurilemmatous adjective

Etymology

Origin of neurilemma

1815–25; alteration of French névrilème (< Greek neur- neur- + eílēma covering), by association with lemma ²

Example Sentences

Surrounding the axis cylinder is a thick, whitish-looking layer, known as the medullary sheath, and around this is a thin covering, called the primitive sheath, or neurilemma.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.

Around this bundle of neurones, that is around the nerve, is still another wrapping, silvery-white, called the neurilemma.

From The Mind and Its Education by Betts, George Herbert

The chronic cell-infiltration affects the fibrous structure of the outer sheath, the neurilemma, and the septa between the nerve-bundles, producing fatty metamorphosis and atrophy of the nerve-bundles.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

The whole is enclosed in a thin, delicate sheath, known as neurilemma.

From A Practical Physiology by Blaisdell, Albert F.