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
- Beyond ‐ on or to the far side of; farther on than; past…
- Protonotaries ‐ noun: (formerly) a chief clerk in certain law…
- -itious ‐ of, having the nature of, characterized by; suffix:…
- Rebrand ‐ verb: to change or update the image of (an organization…
- Letterset ‐ noun: a method of rotary printing in which ink…
- Be oneself ‐ to be in one's normal state of mind or physical…
- Cattle car ‐ noun
- Balinese cat ‐ noun: a breed of cat with medium-length silky…
- Omn. bih. ‐ abbreviation: every…
- Saponification ‐ the conversion of an ester heated with an alkali…