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epiblast    
n. 外胚层[成为外胚叶]

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  • Epiblast- Development and Significance - Microbe Notes
    In mammalian embryogenesis, differentiation and segregation of cells composing the inner cell mass of the blastocyst yields two distinct layers—the epiblast (“primitive ectoderm”) and the hypoblast (“primitive endoderm”)
  • What is the Difference Between Epiblast and Hypoblast
    The main difference between epiblast and hypoblast is that epiblast is one of the two layers of the embryonic disk, forming three primary germ layers, whereas hypoblast is the second layer of the embryonic disk, forming the yolk sac
  • Epiblast: Key Signals and Germ Layer Differentiation
    Explore how the epiblast responds to key molecular signals, interacts with the hypoblast, and contributes to germ layer formation during early development During early embryonic development, the epiblast gives rise to all three germ layers—ectoderm, mesoderm, and endoderm
  • Epiblast - an overview | ScienceDirect Topics
    The epiblast can first be identified as a tissue at the late blastocyst stage, at embryonic day 4 0 (E4 0), when it consists of no more than 30 apolar cells The epiblast is known to generate extraembryonic mesoderm and all fetal cell lineages, including the germ line
  • Epiblast Formation by TEAD-YAP-Dependent Expression of Pluripotency . . .
    Cell competition eliminates unspecified cells to produce a high-quality epiblast The epiblast is a pluripotent cell population first formed in preimplantation embryos, and its quality is important for proper development
  • Epiblast vs. Hypoblast - Whats the Difference? | This vs. That
    The epiblast establishes the embryonic axis and plays a crucial role in patterning the developing embryo, while the hypoblast is involved in establishing left-right asymmetry and providing signals for the development of surrounding tissues
  • Epiblast | definition of epiblast by Medical . . . - Medical Dictionary
    Gives rise to the ectoderm, mesoderm, and endoderm of the embryo proper [epi- + G blastos, germ] Farlex Partner Medical Dictionary © Farlex 2012 n The outer layer of a blastula that gives rise to the ectoderm after gastrulation The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company
  • Epiblast | embryology | Britannica
    …residual layer, temporarily designated as epiblast, is the source of a definitive uppermost sheet, the ectoderm, and an intermediate layer, the mesoderm In this second phase of gastrulation, some cells of the epiblast migrate to the midline position, then turn downward and emerge beneath as mesoderm
  • Epiblast - (General Biology I) - Vocab, Definition . . . - Fiveable
    The epiblast is the outer layer of cells in the developing embryo, formed during the early stages of embryogenesis It plays a crucial role in the formation of the three germ layers: ectoderm, mesoderm, and endoderm, which eventually give rise to all tissues and organs in the body





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