[ hī′pə-mîr′ ]
The portion of the myotome that forms muscle of the body wall and that is innervated by a branch of a spinal nerve.
The somatic and splanchnic layers of the lateral mesoderm that give rise to the lining of the celom.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.