allantois (n.), allantoic (adj.)

https://doi.org/10.1351/goldbook.10356

Extra-embryonic membrane formed early in development as an outpouching of the yolk sac into the area of the future umbilical cord.

Note: Blood vessels of the allantois become the umbilical artery and umbilical veins.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 719 [Terms] [Paper]
Citation: 'allantois' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.10356 RIS BibTex EndNote
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