One of the mysteries of the English language finally explained.
1Blastoderm (now rare).
2The thin inner layer (endocyst) of the wall of a hydatid cyst, from which its brood capsules and protoscoleces are derived.
Mid 19th century. Compare German Keimhaut and scientific Latin membrana germinativa (both 1828 or earlier).
In this article we explore how to impress employers with a spot-on CV.