- The
blastodisc, also
called the
germinal disc, is the embryo-forming part on the yolk of the egg of an
animal that
undergoes discoidal meroblastic cleavage...
- A
blastoderm (germinal disc,
blastodisc) is a
single layer of
embryonic epithelial tissue that
makes up the blastula. It
encloses the
fluid filled blastocoel...
-
fertilization of the
avian ovum
occurs in the oviduct. From
there the
blastodisc, a
small cluster of
cells in the
animal pole of the egg, then undergoes...
-
undergoes rapid cell division,
forms a
germinal disc, also
called a
blastodisc, then
undergoes gastrulation, neurulation, and organogenesis. Cell division...
-
arising from the
inner cell m**** in the
mammalian blastocyst, or from the
blastodisc in
reptiles and birds. The
hypoblast gives rise to the yolk sac, which...
- with the
amnion laid open. X 30.
Lateral section through the
mammalian blastodisc. "Definition of AMNIOTE". www.merriam-webster.com.
Retrieved 11 May 2022...
- Cleavage, or
initial cell division, can only
occur in a
region called the
blastodisc, a yolk free
region located at the
animal pole of the egg. The fish zygote...
-
temperature variations in the environment. The
catshark lays eggs in
their blastodisc form. The
following exhibits a
typical developmental timeline (measurements...
-
prematurely with
cells above it by
physically separating them.
blastocyst blastodisc blastomere blastopore blastula An
early form of the
animal embryo generally...
- the
primitive node
starts as a
regional knot of
cells that
forms on the
blastodisc immediately anterior to
where the
outer layer of
cells will
begin to migrate...
