allantois

Valid in Scrabble

Pronunciation

/əˈlæntəʊ.ɪs/

Definition of allantois

1 sense · 1 part of speech · etymology included

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

Definitions from Wiktionary, CC BY-SA.

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

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