English dictionary
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English noun: allantois | |||
| 1. | allantois (animal) the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals) | ||
| Broader (hypernym) | fetal membrane | ||
| Domain category | mammal, mammalian | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk