n.
The cytoplasm of a striated muscle fiber.
sarcoplasmatic sar'co·plas·mat'ic (-plăz-măt'ĭk) or sar'co·plas'mic (-mĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
