The Collaborative International Dictionary
Splanchnopleure
Splanchnopleure \Splanch"no*pleure\, n. [Gr. ???? an entrail + ???? side.] (Anat.) The inner, or visceral, one of the two lamell[ae] 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. [1913 Webster] -- Splanch`no*pleu"ric, a.
Wiktionary
splanchnopleure
n. A layer of embryonic cells formed from the mesoderm and endoderm that develops into the wall of the viscera