of or relating to the allantois.
- post·al·lan·to·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use allantoic in a sentence
The last of these can be dismissed, in consequence of the recent discovery of an allantoic placenta in Perameles.
It was for a long time held that the Marsupials differed from all other mammals in having no allantoic placenta.
It implies on the whole that the Marsupials have sprung from a stock with an allantoic placenta.
More remarkable still is the development of a small allantoic placenta.
As the allantois increases in size and importance, the allantoic vessels are correspondingly developed.The Works of Francis Maitland Balfour, Volume III (of 4) | Francis Maitland Balfour