KSIĄŻKI POWIĄZANE ZE SŁOWEM «BLASTOPORE»
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1
Life: The Science of Biology
Animal pole Gastrulation begins when cells just below the center of the gray
crescent move inward to form the dorsal lip of the future blastopore. Vegetal pole
Blastocoe! displaced Cells of the animal pole spread out, pushing surface cells ...
William K. Purves, David Sadava, Gordon H. Orians, 2003
2
Arthropod Relationships
Protostomes typically show a blastopore which becomes divided into mouth and
anus by fusion of the lateral blastopore lips. Their central nervous system (Figure
2.2) typically consists of an apical brain and a pair of ventral longitudinal nerves,
...
Richard A. Fortey, Richard H. Thomas, 1998
3
Life (Loose Leaf): The Science of Biology
Gastrulation begins when cells just below the center of the gray crescent move
inward to form the dorsal lip of the future blastopore. Cells of the animal pole
spread out, pushing surface cells below them toward and across the dorsal lip.
David Sadava, Gordon H. Orians, H. Craig Heller, 2006
4
Competition Science Vision
Pregastrulation — In the late blastula, shortly before the appearance of the
blastopore, certain pregastrulatory activities have been observed. Thus,
pregastrulation includes three processes — displacement of the marginal zone,
contraction of ...
5
Bryozoan Studies 2004: Proceedings of the 13th International ...
(1994), a protostome animal is an “animal triploblastique chez lequel la bouche
dérive de la région antérieure du blastopore” and a deuterostome is an 'animal
triploblastique chez lequel la bouche est une formation secondaire, le blastopore
...
Hugo Moyano, Juan Cancino, Patrick Wyse Jackson, 2005
Cells at the dorsal lip of the blastopore change shape and sink below the surface
as they move to the interior. These cells are replaced by cells that move from their
original positions on the surface of the embryo to the dorsal lip. As a result, the ...
Helena Curtis, N. Sue Barnes, 1994
GASTRULATION Ectoderm Ventral blastopore lip Dorsal blastopore lip
Blastocoel Blastocoel Dorsal blastopore lip Yolk plug Ventral blastopore lip
Neural plate Blastocoel / Neural ectoderm 0 Notochord Prechordal plate Dorsal (
upper) ...
8
Phoronis architecta: its life history, anatomy and breeding ...
The changes which take place in the shape of the blastopore are much like those
described by other investigators. At the beginning of gastrulation the blastopore
is wide open and circular in outline. The lateral lips of the blastopore then ...
Rheinart Parker Cowles, William Keith Brooks, National Academy of Sciences (U.S.), 1905
The changes which take place in the shape of the blastopore are much like those
described by other investigators. At the beginning of gastrulation the blastopore
is wide open and circular in outline. The lateral lips of the blastopore then ...
National Academy of Sciences (U.S.), 1911
10
The Absolute Value of the Acceleration of Gravity Determined ...
200), which becomes a solid mass of cells continuous with the cells of the fused
lips of the blastopore (figs. 1811', 18c). The cells of the solid mass are of the
same character as those of the wall of the archenteron where the blastopore is
open.
Charles Elwood Mendenhall, 1911
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «BLASTOPORE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
blastopore w wiadomościach.
Information from Nothing? The Flatworm's Tale
... metazoan tree throws up some weird and wonderful conundra, such as the origins and evolution of the anus, the blastopore and the mouth. «Discovery Institute, Cze 15»
Do All Life Forms Fall into a Nested Hierarchy?
Echinoderms and vertebrates are both deuterostomes, meaning that early in development the first opening in the blastopore becomes the anus ... «Discovery Institute, Cze 15»
What caused the Cambrian Explosion?
In deuterostomes (echinoderms, us vertebrates, and a number of minor phyla), the mouth and the blastopore remain separate. There is a third ... «Boing Boing, Mar 15»
First, Second Mouth ...?
The blastopore closes off, but the anus opens again a little way from it, a curious but fairly common phenomenon of development in ... «Science 2.0, Kwi 13»
'Paradox Worm' Xenoturbella Bocki Lacks Brain & Sex Organs, But …
... called the blastopore, becomes an anus rather than a mouth. This is trait is common to four phyla of animals, which encompasses diverse live ... «Huffington Post, Mar 13»
Penis Worms Help Solve Unusual Evolutionary Puzzle
At an early stage of fetal development, some cells move into a region called the blastopore. "The important point is that in some animals this ... «Discovery News, Paz 12»
Strange worm reveals the evolution of digestion
This happens at an early stage of fetal development when a few cells move into a part of the fetus called the blastopore. In some animals this ... «Phys.Org, Paz 12»
BIO101 - Current Biological Diversity
The blastopore - an opening into the cavity of the blastula- eventually becomes the mouth. These animals are called Protostomes. Protostomes ... «Scientific American, Paz 11»
Solar salamanders have algae in their cells
Once there, they enter through the blastopore – an opening in the embryo that will eventually become its anus. Alternatively, the algae could be ... «Discover Magazine, Kwi 11»
What in Darwin's Name Are Chaetognaths?!
... several developmental characteristics including radial, indeterminate cleavage, a posterior position of the blastopore (deuterostomy=”second ... «Deep-Sea News, Cze 10»
