Definition of "perimysium" []

• The sheath of connective tissue enveloping bundles of muscle fibers. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "—Striped or voluntary muscle is composed of bundles of fibers each enclosed in a delicate web called the perimysium in contradistinction to the sheath of areolar tissue which invests the entire muscle, the epimysium."
• "Groups of fibers lie parallel to each other and each is enclosed in a membrane called perimysium."
• "* The tendons connect at one end with the bones and at the other end with the fiber cells and perimysium."