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单词 segmentation cavity
释义

segmentation cavity

英汉-汉英词典
分裂腔
词组 | 习惯用语
segmentation cavity [昆] 卵裂腔;囊胚腔;[胚] 分裂腔
英语百科

Blastocoel

(重定向自Segmentation cavity)
development and fate of blastocoel
Location of blastocoel inside of frog vs. sea urchin blastula.

A blastocoel is a fluid-filled cavity that forms in the animal hemisphere of early amphibian and echinoderm embryos, or between the epiblast and hypoblast of avian, reptilian, and mammalian blastoderm-stage embryos.

A blastocoel (alt. spelling blastocoele, blastocele) is also termed the blastocyst cavity (or cleavage or segmentation cavity) is the name given to the fluid-filled cavity of the blastula (blastocyst) that results from cleavage of the oocyte (ovum) after fertilization. It forms during embryogenesis, as what has been termed a "Third Stage" after the single-celled fertilized oocyte (zygote, ovum) has divided into 16-32 cells, via the process of mitosis. It can be described as the first cell cavity formed as the embryo enlarges, the essential precursor for the differentiated, topologically distinct, gastrula

近义、反义、联想词
近义词
n.
cavity, bodily cavity, cavum

英英词典
segmentation cavity n.
  1. the fluid-filled cavity inside a blastula

  2. synonymous: blastocoel, blastocoele, blastocele, cleavage cavity
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更新时间:2025/6/21 18:25:23