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- DictionarySar·co·lem·ma/ˌsärkəˈlemə/
noun
- 1. the fine transparent tubular sheath which envelops the fibers of skeletal muscles.
noun
The outer membrane of a muscle cell, consisting of the plasma membrane, a covering basement membrane , and the associated loose network of collagen fibers
The sarcolemma (sarco from Greek; flesh, and lemma from Greek; sheath), also called the myolemma, is the cell membrane surrounding a skeletal muscle fibre or a cardiomyocyte. It consists of a lipid bilayer and a thin outer coat of polysaccharide material (glycocalyx) that contacts the basement membrane. The basement membrane contains numerous thin collagen fibrils and specialized proteins such as ... Wikipedia