Sarcolemma
THE OUTER MEMBRANE OF A MUSCLE CELL, CONSISTING OF THE PLASMA MEMBRANE, A COVERING BASEMENT MEMBRANE (ABOUT 100 NM THICK AND SOMETIMES COMMON TO MORE THAN ONE FIBER), AND THE ASSOCIATED LOOSE NETWORK OF COLLAGEN FIBERS
Muscle cell membrane
The sarcolemma (sarco (from sarx) from Greek; flesh, and lemma from Greek; sheath) also called the myolemma, is the cell membrane surrounding a skeletal muscle fiber or a cardiomyocyte.