from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The part of the embryonic mesoderm, consisting of loosely packed, unspecialized cells set in a gelatinous ground substance, from which connective tissue, bone, cartilage, and the circulatory and lymphatic systems develop.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. That part of the mesoderm of an embryo that develops into connective tissue, bone, cartilage, etc.
from The Century Dictionary and Cyclopedia
- n. The tissue or substance of the mesoderm of some animals, as sponges.
- n. In embryology, the whole or a portion of the middle germ-layer, or mesoblast, when this layer is not epithelial, but consists of stellate, loosely interconnected, or even disconnected cells like those seen in primitive forms of connective tissue.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. mesodermal tissue that forms connective tissue and blood and smooth muscles
mes(o)- + -enchyma.(American Heritage® Dictionary of the English Language, Fourth Edition)