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🇨🇳Chinese Source WordCode: ZH

外胚层

Pronunciation / Transliteration: wài pēi céng

🇬🇧 Direct English Meaning:
Ectoderm/ˈɛk.təˌdɜːm/
nounCEFR C1 (Advanced)Top #14500 frequency
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🇨🇳 Example Sentence in Chinese:

"外胚层是胚胎中的外层细胞。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The outermost layer of cells or tissue in an embryo, which develops into the skin and nervous system.

    "During embryonic development, the ectoderm forms the outer layer of the skin."
  2. 2

    A layer of cells in certain organisms that gives rise to various structures, including the epidermis and nervous tissue.

    "In amphibians, the ectoderm is responsible for forming the skin and the neural tube."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from Modern Latin, combining the Ancient Greek 'ektos' meaning 'outside' and 'derma' meaning 'skin'. First coined in embryology during the late 19th century to describe the outermost primary germ layer in animal embryos.

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