sarcolemma

American  

[sahr-kuh-lem-uh] / ˌsɑr kəˈlɛm ə /

noun

Anatomy.

1. the membranous sheath of a muscle fiber.

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sarcolemma British  

/ ˌsɑːkəʊˈlɛmə /

noun

1. the membrane covering a muscle fibre

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Other Word Forms

• sarcolemmic adjective
• sarcolemmous adjective

Etymology

Origin of sarcolemma

First recorded in 1830–40; sarco- + lemma ²

Example Sentences

In the extreme atrophy of dry beriberi I have not unfrequently found many of the sarcolemma sheaths completely emptied of their contents.

From Project Gutenberg

By this time the parasite has greatly distended the muscle-fibre in which it has hitherto lain, absorbing, with its growth, practically all the contractile-substance, until it is surrounded only by the sarcolemma and sarcoplasm.

From Project Gutenberg

Within the sarcolemma are minute fibrils and a semiliquid substance, called the sarcoplasm.

From Project Gutenberg

She has muscles, not flabby, slender ribbons of empty sarcolemma.

From Project Gutenberg

Each fiber is enclosed within a delicate, transparent sheath, known as the sarcolemma.

From Project Gutenberg