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卵黃囊

简卵黄囊 · 繁卵黃囊

Mandarin · pinyin luǎn huáng náng

yolk sac (ectodermal cells attaching fetus to uterus before the development of the placenta)

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Characters in this entry

卵: luǎn · egg; ovum; roe; spawn
黃: huáng · yellow; surname; Kangxi radical 201
囊: náng · bag, purse, sack; put in bag
黄: huáng · yellow; surname

Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

3–2–2 · luan3 huang2 nang2

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Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

noun

(anatomy) yolk sac

Source page · dump 2026-09-02 · Contributors & history

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