- with the
micromeres dictates one cell to
become the ****ure D blastomere. Once specified, the D
blastomere signals to
surrounding micromeres to lay out...
- adult's
broadly fivefold symmetry.
During cleavage,
mesoderm and
small micromeres are specified. At the end of gastrulation,
cells of
these two
types form...
-
Johnstonella micromeres is a
species of
flowering plant in the
family Boraginaceae known by the
common name
pygmyflower cryptantha. It is
native to California...
-
unequal cleavage resulting in
three cell types, small,
medium and
large (
micromeres, mesomeres, megameres).
Megameres develop into a
syncytial layer, the...
-
unequally and they give rise to four big
macromeres and four
smaller micromeres. Once this
fourth division has occurred, the
embryo has
reached a 16 cell...
-
jamesii →
Oreocarya suffruticosa var.
suffruticosa Cryptantha micromeres →
Johnstonella micromeres Cryptantha nubigena →
Oreocarya nubigena Cryptantha pustulosa...
- 2a, 2c, 3c and 3d cells. The s****
plates arise primarily from the 2d
micromere,
although 2a, 2b, 2c and
sometimes 3c
cells also parti****te in its secretion...
- the end of
stage 3 the AB cell divides. On
stage 4 of development, the
micromeres and
teloblast stem
cells are
formed and subsequently, the D
quadrant divides...
-
while descendants of the
first quartet micromeres give rise to
structures in the
larval head. When
micromere 2d is
laser ablated, 2d
derived structures...
- anterior/posterior axis lies
along the animal/vegetal axis set up
during cleavage. The
micromeres induce the
nearby tissue to
become endoderm while the
animal cells are...
