Meaning Of The Word Allantois
What's the definition of Allantois? Find Allantois meanings, definitions and more at the Real Dictionary online.
Allantois Meaning
| Allantois Definition |
|---|
What's The Definition Of Allantois?
allantois in American English
a membranous pouch with a rich blood supply in the embryos of birds, reptiles, and mammals: it is an organ of respiration and excretion for embryonic birds and reptiles: in mammals it helps form the placenta noun: a vascular, extraembryonic membrane of birds, reptiles, and certain mammals that develops as a sac or diverticulum from the ventral wall of the hindgut allantois in British English noun: a membranous sac growing out of the ventral surface of the hind gut of embryonic reptiles, birds, and mammals. It combines with the chorion to form the mammalian placenta |
More Definitions
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Definitions Of The Day
- Originate ‐ to bring into being; esp., to create (something…
- Ladybird ‐ countable noun: A ladybird is a small round beetle…
- Tinier ‐ adjective: very small; minute; comparative…
- Millimolar ‐ adjective: measured in, or relating to…
- Gape ‐ the act of gaping; to open the mouth wide, as…
- Twi-nighter ‐ noun: a twi-night…
- Namtar ‐ noun: the Sumerian and Akkadian demon personifying…
- -megaly ‐ combining form: a combining form meaning “ irregular…
- Consumer strike ‐ noun: a boycott of a product by consumers, often…
- Dirty bomb ‐ a nonnuclear bomb that has been packed with radioactive…