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English
Noun
allantochorion (plural allantochorions or allantochoria)
- the allantochorion is a fusion of the chorion with the allantois and ensures gas exchange of the fetus.
2015 November 11, “Proteome Differences in Placenta and Endometrium between Normal and Intrauterine Growth Restricted Pig Fetuses”, in PLOS ONE, →DOI:Over the mouths of uterine glands, pig allantochorion is not directly attached to the endometrial epithelium but forms areolae, where uterine gland secretions are absorbed by trophoblast cells.