allantoic
Americanadjective
Other Word Forms
Etymology
Origin of allantoic
First recorded in 1830–40; allanto(is) + -ic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Cenogenetic processes, on the other hand, include such phenomena as the formation of yolk and the embryonic membranes, the temporary allantoic circulation, the navel, the curved and contracted shape of the embryo, and the like.
From Form and Function A Contribution to the History of Animal Morphology by E. S. (Edward Stuart) Russell
In the Dipneusts and Amphibia, in which the allantoic sac first makes its appearance, it remains within the body-cavity, and functions entirely as bladder.
From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August
These urinary organs, acting as reservoir and duct for the urine excreted by the kidneys, originate from the innermost part of the allantoic pedicle.
From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August
Thus, the secondary, allantoic circulation gradually takes the place of the original vitelline circulation.
From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August
A crystalline, transparent, colorless substance found in the allantoic liquid of the fetal calf; Ð formerly called allantoic acid and amniotic acid.
From Webster's Unabridged Dictionary by Webster, Noah
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
