germinal layer

• 1. 胚叶: germinal layer
• 2. 外胚叶: ectoderm | epiblast
• 3. 内胚叶: entoderm | endoblast

更多释义

• 1.由上皮及间叶两个胚叶构成，状似胚胎肺。
  Histologically they looked like the embryonic lung consisted of epithelial and mesenchymal elements.
  dict.yoduao.com
• 2.大多数禾本科胚有一片瓣状结构通常称为外胚叶。
  Most grass embryos have a flap-like structure known as the epiblast.
  dict.yoduao.com
• 3.中胚叶节脊索类脊椎动物胚胎的中胚层的中间部分，…
  The middle zone of the mesoderm of a chordate vertebrate embryo, from which excretory tissue develops.
  dict.yoduao.com

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