One of the mysteries of the English language finally explained.
A layer of tissue in a vertebrate embryo comprising the ectoderm and the outer layer of mesoderm, and giving rise to the amnion, chorion, and part of the body wall.Often contrasted with splanchnopleure
- ‘Outside the amniotic ectoderm is a thin layer of mesoderm, which is continuous with that of the somatopleure and is connected by the body-stalk with the mesodermal lining of the chorion.’
- ‘Simultaneously, rapid growth causes the embryo to fold laterally, resulting in the somatopleure layers folding in laterally to enclose the gut.’
- ‘The somatopleure, which is close to the ectoderm, is involved in the formation of the lateral and ventral walls of the embryo.’
- ‘The region of the chorion / somatopleure closest to the embryo undergoes a folding around the embryo so that a smaller chamber forms immediately surrounding the embryo.’
- ‘She is not able, however, to trigger the formation of a feather forming dermis from the extra embryonic somatopleure.’
Late 19th century: from somato- ‘of the body’ + Greek pleura ‘side’.
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