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Meanings of
blastula
in English
Russian
зародышевый пузырь
Portuguese
blástula
Spanish
blástula
Catalan
blàstula
Back to the meaning
Sphere of cells formed during early embryonic development in animals.
blastosphere
Related terms
embryogenesis
Russian
зародышевый пузырь
Blastodermic vesicle.
blastodermic vesicle
Usage of
blastula
in English
1
E stage with thirty-two cells; F
blastula
;
G gastrula in longitudinal section.
2
The round cavity, filled with fluid, inside the real
blastula
is the segmentation-cavity.
3
The latter
(
blastula
)
is palingenetic, and precedes the formation of the gastrula.
4
Also, in every case, the gastrula develops from the
blastula
by curving or invagination.
5
This real
blastula
only differs from that of the primitive ova in its chemical composition.
6
We call this layer the blastoderm, and the sphere itself the
blastula
,
or embryonic vesicle.
7
A
blastula
,
with wide embryonic cavity (blastocoel, bl), g incipient invagination.
8
Sagittal section of a hooded-embryo (depula) of triton
(
blastula
at the commencement of gastrulation).
9
Longitudinal section of the
blastula
of a shark (Pristiurus) at the beginning of gastrulation.
10
Vertical section of the
blastula
of a hen (discoblastula).
11
Longitudinal section through the
blastula
of a shark (Pristiuris).
12
Formerly this real
blastula
was generally believed to be equivalent to the embryonic vesicle of the mammal.
13
Embryonic vesicle of triton
(
blastula
)
,
outer view, with the transverse fold of the primitive mouth (u).
14
From it is developed in the same manner in all the Placentals, by repeated cleavage, a multicellular
blastula
.
15
The frog-embryo now represents a modified embryonic vesicle or
blastula
,
with hollow animal half and solid vegetal half.
16
This interesting
blastula
is very important.
Other examples for "blastula"
Grammar, pronunciation and more
About this term
blastula
Noun
Singular
Frequent collocations
real blastula
layer blastula
blastula stage
early blastula
hollow blastula
More collocations
Translations for
blastula
Russian
зародышевый пузырь
бластосфера
бластула
Portuguese
blástula
blastocisto
Spanish
blástula
blastula
blastósfera
blastocisto
Catalan
blàstula
Blastula
through the time