10 BÜCHER, DIE MIT «DEXIOTROPIC» IM ZUSAMMENHANG STEHEN
Entdecke den Gebrauch von
dexiotropic in der folgenden bibliographischen Auswahl. Bücher, die mit
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1
Contributions from the Zoological Laboratory of the ...
The direction of the first cleavage in Crepidula and probably in the other cases
mentioned is always dexiotropic, that is, of such a character that the nuclei and
protoplasmic areas of the two resulting cells rotate in a clockwise direction at the
...
2
Proceedings of the Academy of Natural Sciences of Philadelphia
Same egg as fig. 21, seen from vegetative pole. The Isotropic division of 3D,
forming 4D and 4d (ME), is completed. Fig. 23. — Animal pole view of egg
containing 41-44 cells, la'-ld1 have divided in a dexiotropic direction the "apicals"
(lau-ldn) ...
3
Contributions from the Zoological Laboratory
22. — -Same egg as fig. 21, seen from vegetative pole. The laeotropic division of
3D, forming 4D and 4d (ME), is completed. Fig. 23. — Animal pole view of egg
containing 41-44 cells, la1-ld1 have divided in a dexiotropic direction the "apicals
" ...
During and after this cleavage the cell currents rotate in a dexiotropic direction in
the upper cells (micromeres), and in a laeotropic direction in the lower cells (
macromeres) ; this movement is manifest during cleavage in the dexiotropic
lobing ...
University of Pennsylvania. Zoological Laboratory, 1901
5
Contributions from the Zoological Laboratory of the ...
From left side, showing the crossing of the spindles. Fig. 6.—Living egg in the
four-cell stage, from the animal pole. Fig. 7.—Formation of the first quartet. From
right side, showing dexiotropic cleavage. Fig. 8.—Living egg in the eight-cell
stage.
University of Pennsylvania. Zoological Laboratory, 1909
6
Odonata from Tepic, Mexico, with Supplementary Notes on ...
As the cleavage advances the spindles are all turned in a dexiotropic direction.
All this time the remains of the spheres of the preceding cleavage occupy the
central angles of the cells, where they are plainly undergoing disintegration (Figs.
Philip Powell Calvert, 1901
As the cleavage advances the spindles are all turned in a dexiotropic direction.
All this time the remains of the spheres of the preceding cleavage occupy the
central angles of the cells, where they are plainly undergoing disintegration (Figs.
Edwin Grant Conklin, 1899
8
The Cell-lineage and Early Larval Development of Fiona ...
Same egg as fig. 21, seen from vegetative pole. The lmotropic division of 3D
forming 4D and 4d (ME), is completed. Fig. 23.-Animal pole view of egg
containing 41-44 cells. la'-Id' have divided in a dexiotropic direction the “apicals” (
1a“—1d“) ...
Dana Brackenridge Casteel, 1905
The first generation of ecto- meres is formed in a dexiotropic direction. The
second generation laeotropically and the third in a dexiotropic fashion. In the
fourth generation of micromeres, d4 is mesoblastic. The other cells of the fourth
quartette, ...
Wistar Institute of Anatomy and Biology, 1915
10
The Early Development of Planorbis ...
This rotation is obviously a result of the dexiotropic cleavage of the macromeres.
Of course, if we take the small cells at the vegetative pole as fixed, we might
consider that the rest of the egg, the fourth quartette and the ectomeres, had
rotated ...
Samuel Jackson Holmes, 1900
