allantois

English · Thesaurus

AI In plain words

Writing a short explanation…

Written by a house AI from the entry below, in your language. The entry itself is the source.

allantois

/əˈlæntəʊ.ɪs/

Where it comes from

Ancient Greek ἀλλαντοειδής (allantoeidḗs, “sausage-shaped”). Compare Greek αλλαντικό (allantikó).

noun allantoises · allantoides

A sac, having a number of functions, that develops in the alimentary canal of the embryos of mammals, birds and reptiles.
Similar: allantoic sac, allantoid

Translations

Every language

noun sac in the alimentary canal of the embryos of mammals, birds and reptiles

日本語	尿膜 nyoumaku
Português	alantoide
Français	allantoïde
Deutsch	Allantois
Italiano	allantoide
Русский	алланто́ис allantóis
العربية	سِقَاء siqāʔ

Talk about this word

Cite this

MLA

"allantois." Wiktionary, via Micwyn, micwyn.com/word/allantois. Accessed 6 Nov. 2026.

APA

allantois. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/allantois

Chicago

"allantois." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/allantois.

BibTeX

@misc{allantois_2026,
  title = {allantois},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/allantois},
  urldate = {2026-11-06}
}