Origin of allantois
Words nearby allantois
How to use allantois in a sentence
The cavity of the allantois, if developed, vanishes completely.The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
This bag is called the allantois, and serves as a sort of lung for the developing chick.
It draws its oxygen and throws off its wastes through the instrumentality of the allantois, which covers it over.
The blood vessels of the allantois take in oxygen and give out carbon dioxide through the porous shell.
The allantois of the chick now gains a new development and an altered function.