develops from
develops from
existence starts during or after
start stage
end stage
existence ends during or before
EVL
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.
enveloping layer
zebrafish_anatomy
ZFA:0000086
TAO:0000086
embryonic structure
superficial blastomere
blastula:30%-epiboly
gastrula:90%-epiboly