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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), also called the cicatricula , is a single layer of embryonic epithelial tissue that makes up the blastula [1] It encloses the fluid-filled blastocoel
  • What Is a Blastoderm and What Is Its Function? - Biology Insights
    The blastoderm’s formation signifies a shift from a single-celled organism to a multicellular embryo While the blastoderm cells are initially uniform, they possess the potential to develop into various cell types This early cellular arrangement is a precursor to the specialized tissues and organs that will form later in development
  • Blastoderm - an overview | ScienceDirect Topics
    Blastoderm A stage in the early development of animals in which a layer of cells lines the periphery of the embryo cis -regulatory element A sequence of DNA that is located in the vicinity of a gene coding region and which is responsible for its transcriptional regulation (see also, Enhancer) Clade (monophyletic group) An ancestor and all of its descendants Can be used to describe organism
  • Blastoderm | biological membrane | Britannica
    Other articles where blastoderm is discussed: blastula: …epithelial (covering) layer, called the blastoderm, enclosing a fluid-filled cavity, the blastocoel After the blastula develops, it undergoes transition to the gastrula (q v ), a process called gastrulation In organisms such as mammals, the earlier morula (q v ), a berrylike cluster of cells, develops into a somewhat different form
  • BLASTODERM Definition Meaning - Merriam-Webster
    The meaning of BLASTODERM is a blastodisc after completion of cleavage and formation of the blastocoel
  • Blastoderm | definition of blastoderm by Medical dictionary
    Moreover, before laying, the embryo blastoderm starts to differentiate, as eggs remain at room temperature after laying is complete, embryos cease to develop further, and this stage is characterized by the formation of zona pellucida
  • Blastoderm
    Chick Embryo [A16 331 200] Chorioallantoic Membrane [A16 331 400] Yolk Sac [A16 331 800] Blastoderm Preferred M0002643 A layer of cells lining the fluid-filled cavity (blastocele) of a BLASTULA, usually developed from a fertilized insect, reptilian, or avian egg Blastoderm Preferred Term Term UI T005100 Date 01 01 1999 LexicalTag NON
  • 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
  • From the blastoderm layer to the embryo | embryology. ch
    After the end of the 2nd week to the 4th week the cell mass from which the embryo arises, experiences numerous modifications Cell proliferation and migration lead to the process of the mesoblast immigration This leads to the genesis of a trilaminar germ disk whose structure already exhibits the precursors (anlage) of the most important organs The processes of cellular proliferation and
  • The Structure of the Blastoderm, and the Continuity of the Cell . . .
    The Structure of the Blastoderm, and the Continuity of the Cell-Elements during the Early Stages of Development J Cameron





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