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Showing results for sarcolemma. Search instead for sarcolemmas.

sarcolemma

American  
[sahr-kuh-lem-uh] / ˌsɑr kəˈlɛm ə /

noun

Anatomy.
  1. the membranous sheath of a muscle fiber.


sarcolemma British  
/ ˌsɑːkəʊˈlɛmə /

noun

  1. the membrane covering a muscle fibre

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of sarcolemma

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Explain the effect of a large dose of extracellular K+ on the transmission of the action potential in the sarcolemma.

From Textbooks Jun. 9, 2022

The depolarization then spreads along the sarcolemma, creating an action potential as sodium channels adjacent to the initial depolarization site sense the change in voltage and open.

From Textbooks Jun. 9, 2022

Figure 10.4 Muscle Fiber A skeletal muscle fiber is surrounded by a plasma membrane called the sarcolemma, which contains sarcoplasm, the cytoplasm of muscle cells.

From Textbooks Jun. 19, 2013

The sarcomere itself is bundled within the myofibril that runs the entire length of the muscle fiber and attaches to the sarcolemma at its end.

From Textbooks Jun. 19, 2013

The striations, sarcolemma, and sometimes the nuclei and nerve plates, may be distinguished in such a preparation.

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

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