English dictionary
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English noun: amniotic sac | |||
| 1. | amniotic sac (animal) thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) | ||
| Synonyms | amnion, amnios | ||
| Broader (hypernym) | sac | ||
| Part meronym | amniote, fetal membrane | ||
| Domain category | mammal, mammalian | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk