enveloping layer of ectodermGo to external page http://purl.obolibrary.org/obo/UBERON_0007383
Outermost layer of cells surrounding the embryo. [ http://orcid.org/0000-0002-6601-2165 ]
Synonyms: enveloping layer EVL
relationship loss: develops_from superficial blastomere (TAO:0001484)[TAO]
Outermost monolayer of cells surrounding the embryo that become very flattened in the blastula and give rise to the periderm. Sometimes used synonymously with periderm. Kimmel et al, 1995.[TAO]
Originally this tissue is one cell layer thick but in most vertebrates it soon becomes a two layered structure. The outer layer gives rise to the periderm.