Associations to the word «Allantois»

Wiktionary

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

Dictionary definition

ALLANTOIS, noun. The vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals).

Wise words

It is only with the heart that one can see rightly; what is essential is invisible to the eye.
Antoine de Saint-Exupery