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Từ điển WordNet v3.1 - WordNet Dictionary
chalaza
1. basal part of a plant ovule opposite the micropyle;
where integument and nucellus are joined
• Hypernyms:
plant part, plant structure
• Part Holonyms:
ovule
2. one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell
• Hypernyms:
animal tissue
• Part Holonyms:
egg
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