-
Endoderm is the
innermost of the
three primary germ
layers in the very
early embryo. The
other two
layers are the
ectoderm (outside layer) and mesoderm...
- Some animals, like cnidarians,
produce two germ
layers (the
ectoderm and
endoderm)
making them diploblastic.
Other animals such as
bilaterians produce a...
- cells.
These cells are
constituents of
three primary germ layers, the
endoderm, mesoderm, and ectoderm. The
science of the
microscopic structures of the...
- layer), and
endoderm (inner layer). In
diploblastic organisms, such as
Cnidaria and Ctenophora, the
gastrula has only
ectoderm and
endoderm. The two layers...
- organogenesis, the
three germ
layers formed from
gastrulation (the ectoderm,
endoderm, and mesoderm) form the
internal organs of the organism. The
cells of each...
-
outermost layer, and is
superficial to the
mesoderm (the
middle layer) and
endoderm (the
innermost layer). It
emerges and
originates from the
outer layer of...
- the
precursors of both the
endoderm and mesoderm. In
birds and mammals, it
contains precursors to the
extraembryonic endoderm of the yolk sac. In chick...
-
differentiation into the
three primary germ layers, ectoderm,
mesoderm and
endoderm,
during gastrulation. The
amniotic ectoderm and
extraembryonic mesoderm...
-
blastula in
which there are two
primary germ layers: the
ectoderm and
endoderm.
Diploblastic organisms are
organisms which develop from such a blastula...
-
chamber and two
separate germ layers, an
external ectoderm and an
internal endoderm. In most cases, a
third germ layer, the mesoderm, also
develops between...
