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Từ điển WordNet v3.1 - WordNet Dictionary
umbilical cord
membranous duct connecting the fetus with the placenta • Syn: umbilical • Hypernyms: duct, epithelial duct, canal, channel, funiculus, fetal membrane • Part Holonyms: embryo, conceptus, fertilized egg, fetus, foetus • Part Meronyms: umbilical vein, vena umbilicalis
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