muscle fiber definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A cylindrical, multinucleate cell composed of numerous myofibrils that contracts when stimulated.
muscle fiber - Medical Definition
A cylindrical multinucleate cell composed of myofibrils that contract when stimulated.