allantoic

[ al-uhn-toh-ik ]

adjective

1. of or relating to the allantois.

Other Words From

• postal·lan·toic adjective

Word History and Origins

Origin of allantoic¹

First recorded in 1830–40; allanto(is) + -ic

Example Sentences

The last of these can be dismissed, in consequence of the recent discovery of an allantoic placenta in Perameles.

From Project Gutenberg

It was for a long time held that the Marsupials differed from all other mammals in having no allantoic placenta.

From Project Gutenberg

It implies on the whole that the Marsupials have sprung from a stock with an allantoic placenta.

From Project Gutenberg

More remarkable still is the development of a small allantoic placenta.

From Project Gutenberg

As the allantois increases in size and importance, the allantoic vessels are correspondingly developed.

From Project Gutenberg