How To Use Blastoderm In A Sentence
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My plan was to remove single cells from defined regions of the blastoderm and culture them in adult abdomens surrounded by genetically marked "feeder cells.
Eric F. Wieschaus - Autobiography
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After the egg has been fertilized by the male, the blastoderm, or primitive skin, forms, and subsequently two layers, or embryonal membranes, appear; the outer is called the amnion (Fig. 114, _am_), while the inner visceral membrane (_db_) partially wraps the rude form of the embryo in its folds.
Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses
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The hypoblast gives rise to extra-embryonic structures such as the stalk of the yolk sac, whereas the embryo proper is formed from the remaining blastoderm cells, known as the epiblast.
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This is due to a folding of the blastodermic wall by what is called the "girder," a plug-shaped growth of Rauber's "roof-layer.
The Evolution of Man — Volume 1
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As a result, the blastodisc on the yolk becomes a blastoderm.
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These abortive embryos do not reach the blastoderm stage.
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If vesicles are then generated from this proto-ER/Golgi, a plasma membrane can be formed on an existing cytoskeleton, a process similar to the formation of the cellular blastoderm in Drosophila and similar to the addition of vesicle to the current plasma membrane.
Albert de Roos: A design hypothesis for the evolution of the nucleus
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This experiment was important in showing that the primordia of individual segments in the blastoderm stage were no more than three cells wide.
Christiane Nüsslein-Volhard - Autobiography
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For my first experiments in his lab, I set out to investigate whether cells at the blastoderm stage were already determined to form specific discs.
Eric F. Wieschaus - Autobiography
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The stainless steel storage of the baptistry faker the proximate day with ron at the salicales ubiquitous his two misstep into a blastodermatic alliterator.
Rational Review
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A first cleavage of the stem-cell (cytula), B division of same into four segmentation-cells (only two visible), C the germinal disk divides into the blastoderm (b) and the periblast (p). d nutritive yelk, f fat-globule, c ovolemma, z space between the ovolemma and the ovum, filled with a clear fluid.)
The Evolution of Man — Volume 1
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The globular wall of the blastula is a real blastoderm, and consists of homogeneous (blastodermic) cells; it is not yet differentiated into the two primary germinal layers.
The Evolution of Man — Volume 1
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The syncytial blastoderm in Drosophila show that the nuclei can independently divide and later form a multicellular embryo.
Albert de Roos: A design hypothesis for the evolution of the nucleus
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Normally occurring embryonic cell death is not present in wild-type blastoderm stage embryos.
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At cellular blastoderm most of the EAR protein is associated with cells at the periphery, while some protein is still associated with yolk nuclei.
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Because legs were derived from different segments, my results suggested that if blastoderm cells were determined for anything, they were determined for segments rather than discs.
Eric F. Wieschaus - Autobiography
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This experiment was important in showing that the primordia of individual segments in the blastoderm stage were no more than three cells wide.
Christiane Nüsslein-Volhard - Autobiography
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Note the blastula in reptiles is called a blastoderm or blastodisk because the divisions have been concentrated into a thin disk of cells at the animal pole.
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In contrast to the restricted clones produced by irradiation of larvae, such clones extended between the wing and leg of the adult fly, indicating that the blastoderm cell that gave rise to the clone could not yet have been determined with respect to either disc.
Eric F. Wieschaus - Autobiography
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It was also shown that what is called delamination -- the rise of the two primary germinal layers by the folding of the surface of the blastoderm (for instance, in the Geryonidae and other medusae) -- was a secondary formation, due to cenogenetic variations from the original invagination of the blastula.
The Evolution of Man — Volume 1
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Both studies suggested that segmental units might be established as three to four cell wide stripes at the blastoderm stage.
Eric F. Wieschaus - Autobiography
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When the egg is laid, the blastoderm contains several hundred cells.
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When the membranes surrounding the peripheral nuclei fuse to form the 6000 cells of the cellular blastoderm, they enclose 175-225 polyploid yolk nuclei within a large syncytial yolk cell.
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This white mark will be perfectly round if the egg is fertile (called a blastoderm).
TreeHugger
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Schardin, we did a fate map for the larval cuticle using laser ablations of Drosophila blastoderm cells.
Christiane Nüsslein-Volhard - Autobiography
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Consistent with these findings, Sxl-Pe is not activated in germ cells of blastoderm embryos.
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Pole cells cease dividing after the formation of the cellular blastoderm.
