sarcolemma

[sahr-kuh-lem-uh]

noun

Anatomy.

1. the membranous sheath of a muscle fiber.

sarcolemma

/ ˌsɑːkəʊˈlɛmə /

noun

1. the membrane covering a muscle fibre

Other Word Forms

• sarcolemmic adjective
• sarcolemmous adjective

Word History and Origins

Origin of sarcolemma¹

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

Example Sentences

In the first variety the transverse stri� disappear and the sarcolemma appears filled with finely granular matter.

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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.

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At each end the cell tapers to a point from which the sarcolemma appears to continue as a fine thread, and this, by attaching itself to the inclosing sheath, holds the cell in place.

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

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

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