from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A layer of embryonic cells formed in vertebrates by association of part of the mesoderm with the endoderm and developing into the wall of the viscera.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A layer of embryonic cells formed from the mesoderm and endoderm that develops into the wall of the viscera
from the GNU version of the Collaborative International Dictionary of English
- n. The inner, or visceral, one of the two lamellæ into which the vertebrate blastoderm divides on either side of the notochord, and from which the walls of the enteric canal and the umbilical vesicle are developed. See somatopleure.
from The Century Dictionary and Cyclopedia
- n. The inner or visceral layer of mesoderm, formed by the splitting of the mesoblast, separated from the somatopleure by the perivisceral space, cœlomatic cavity, or cœloma.
New Latin splanchnopleura : splanchno-, of viscera; see splanchnology + Greek pleura, side.(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek σπλάγχνα (splankha, "viscera") + πλευρά (pleura, "a side of something") (Wiktionary)