from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See endoderm.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A type of tissue that forms from the inner cell mass and later is incorporated into the endoderm
from the GNU version of the Collaborative International Dictionary of English
- n. The inner or lower layer of the blastoderm; -- called also endoderm, entoderm, and sometimes hypoderm. See Illust. of blastoderm, delamination, and ectoderm.
from The Century Dictionary and Cyclopedia
- n. In botany, the flat dorsal cotyledon of a grass.
- n. In biology, the internal or inferior layer of cells of the embryo of metazoic animals, forming the endoderm or innermost membrane: the opposite of epiblast: correlated with mesoblast.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the inner germ layer that develops into the lining of the digestive and respiratory systems
hypo- + -blast (Wiktionary)