\So"ma*to*pleure\, n. [Gr. sw^ma, sw`matos, body +
pleyra` side.] (Anat.)
The outer, or parietal, 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 body and the
amnion are developed. See {Splanchnopleure}.