The contractile portion of the muscle cell, as distinguished from the sarcoplasm. ... Origin: myo-+ G. Plasma, a thing formed ... (05 Mar 2000) ... 
(mi´o-plaz″әm) the contractile part of the muscle cell.
Type: Term Pronunciation: mī′ō-plazm Definitions: 1. The contractile portion of the muscle cell, as distinguished from the sarcoplasm.