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blastoderm    
n. 胚盘

胚盘

blastoderm
n 1: a layer of cells on the inside of the blastula [synonym:
{blastoderm}, {germinal disc}, {blastodisc}, {germinal
area}]


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  • Blastoderm - Wikipedia
    A blastoderm (germinal disc, blastodisc) is a single layer of embryonic epithelial tissue that makes up the blastula [1] It encloses the fluid-filled blastocoel Gastrulation follows blastoderm formation, where the tips of the blastoderm begins the formation of the ectoderm, mesoderm, and endoderm [2]
  • Blastula | Embryonic Development, Cell Division Gastrulation - Britannica
    blastula, hollow sphere of cells, or blastomeres, produced during the development of an embryo by repeated cleavage of a fertilized egg The cells of the blastula form an epithelial (covering) layer, called the blastoderm, enclosing a fluid-filled cavity, the blastocoel
  • Blastoderm - an overview | ScienceDirect Topics
    The first epithelium to develop in the Drosophila embryo is the cellular blastoderm, a single-layered epithelium of ∼5000 cells Unlike most other epithelia, the blastoderm epithelium is formed by the growth of membrane projections between the individual nuclei located at the periphery of the syncytial blastoderm [22]
  • BLASTODERM Definition Meaning - Merriam-Webster
    The meaning of BLASTODERM is a blastodisc after completion of cleavage and formation of the blastocoel
  • Early Drosophila Development - Developmental Biology - NCBI Bookshelf
    The first phase of blastoderm cellularization is characterized by the invagination of cell membranes and their underlying actin microfilament network into the regions between the nuclei to form furrow canals
  • Blastoderm | definition of blastoderm by Medical dictionary
    blastoderm A superficial layer of a fertilised egg which, in birds, is a flat disc of cells at one pole, and in insects, an outer layer of cells surrounding the yolk mass In eggs with a large amount of yolk, cell division (cleavage) may restricted to blastoderm (meroblastic cleavage)
  • 43. 5B: Cleavage, the Blastula Stage, and Gastrulation
    The blastula is usually a spherical layer of cells (the blastoderm) surrounding a fluid-filled or yolk-filled cavity (the blastocoel) Mammals at this stage form a structure called the blastocyst, characterized by an inner cell mass that is distinct from the surrounding blastula
  • Blastoderm | Embryo Project Encyclopedia
    At this point in time the chicken embryo is a blastoderm (shown in blue) The first magnification of the embryo shows that the blastoderm cell layers have thickened to form the primitive streak and Hensen's node The primitive streak extends from the posterior (P) region to the anterior (A) region
  • Chicken blastoderms and primordial germ cells possess a higher . . .
    We performed whole-transcriptome sequencing (WTS) analysis in the chicken embryonic fibroblasts (CEFs), stage X blastoderms, and primordial germ cells (PGCs) to uncover this deficiency Stage X blastoderms mostly consist of undifferentiated progenitor (pluripotent) cells that have the potency to differentiate into all cell types
  • Blastoderm | Journal of Tissue Repair and Regeneration
    Blastoderm is the thin protective membrane of a vertebrate embryo during the early stages of embryonic development It acts as a barrier that helps protect the embryo from environmental stressors, such as pathogens and temperature fluctuations





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