n., pl., -mys·i·a (-mĭz'ē-ə, -mĭzh'-).
The external sheath of connective tissue surrounding a muscle.
[New Latin epimȳsium : EPI- + Greek mūs, muscle.]
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.
