the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)
Used in a Sentence
allantois
How to use allantois in a sentence. Example sentences and definitions for allantois.
Editorial note
The umbilical cord develops from and contains remnants of the yolk sac and allantois. It forms by the fifth week of development, replacing the yolk sac as the source of nutrients for the embryo" per wiki.
Examples1
Definitions1
Parts of speech1
Quick take
the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)
Meaning at a glance
The clearest senses and uses of allantois gathered in one view.
Definitions
Core meanings and parts of speech for 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)
Example sentences
The umbilical cord develops from and contains remnants of the yolk sac and allantois. It forms by the fifth week of development, replacing the yolk sac as the source of nutrients for the embryo" per wiki.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use allantois in a sentence?
The umbilical cord develops from and contains remnants of the yolk sac and allantois. It forms by the fifth week of development, replacing the yolk sac as the source of nutrients for the embryo" per wiki.
What does allantois mean?
the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)
What part of speech is allantois?
allantois is commonly used as noun.