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epiblast    
n. 外胚层[成为外胚叶]

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  • Epiblast - Wikipedia
    In amniote embryonic development, the epiblast (also known as the primitive ectoderm) is one of two distinct cell layers arising from the inner cell mass in the mammalian blastocyst, or from the blastula in reptiles and birds
  • 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 | 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
  • A close look at the mammalian blastocyst: epiblast and primitive . . .
    During early development, the mammalian embryo undergoes a series of profound changes that lead to the formation of two extraembryonic tissues—the trophectoderm and the primitive endoderm These tissues encapsulate the pluripotent epiblast at the time of implantation
  • Epiblast Definition and Examples - Biology Online Dictionary
    The epiblast is the outermost layer of the embryonic disc during the early embryonic development In reptiles and birds, the epiblast originates from the blastodisc In mammals, it is derived from the inner cell mass (or embryobalst) of the blastocyst





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