somatopleure
noun
so·mato·pleure sō-ˈma-tə-ˌplu̇r 
: a complex fold of tissue in the embryo of a craniate vertebrate consisting of an outer layer of mesoderm together with the ectoderm that sheathes it and giving rise to the amnion and chorion
Word History
Etymology
New Latin somatopleura, from somat- + Greek pleura side
First Known Use
1874, in the meaning defined above
Medical Definition
somatopleure
noun
so·ma·to·pleure sō-ˈmat-ə-ˌplu̇(ə)r ˈsō-mət-ə-
ˈsō-mət-ə- : a complex fold of tissue in the embryo of craniate vertebrates that consists of an outer layer of mesoderm together with the ectoderm ensheathing it and that gives rise to the amnion and chorion compare splanchnopleure