sar·​co·​lem·​ma | \ ˌsär-kə-ˈle-mə How to pronounce sarcolemma (audio) \

Definition of sarcolemma

: the membrane enclosing a striated muscle fiber

Other Words from sarcolemma

sarcolemmal \ ˌsär-​kə-​ˈle-​məl How to pronounce sarcolemma (audio) \ adjective

Examples of sarcolemma in a Sentence

Recent Examples on the Web Curiously, the fungus destroyed the sarcolemma, a kind of sheath around the muscle fibers. Matt Simon, WIRED, 17 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sarcolemma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sarcolemma

1840, in the meaning defined above

History and Etymology for sarcolemma

sarco- + Greek lémma "rind, husk" — more at lemma entry 2

Note: Term introduced by the English surgeon and histologist William Bowman (1816-92) in "On the minute structure and movements of voluntary muscle," Philosophical Transactions of the Royal Society of London, 1840, part II, p. 475.

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The first known use of sarcolemma was in 1840

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Cite this Entry

“Sarcolemma.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2021.

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More Definitions for sarcolemma


sar·​co·​lem·​ma | \ ˌsär-kə-ˈlem-ə How to pronounce sarcolemma (audio) \

Medical Definition of sarcolemma

: the thin transparent homogeneous sheath enclosing a striated muscle fiber

Other Words from sarcolemma

sarcolemmal \ -​əl How to pronounce sarcolemma (audio) \ adjective

More from Merriam-Webster on sarcolemma Encyclopedia article about sarcolemma


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