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Allantois in Biological Definition

Developmental biology

...e genes for cell adhesion proteins. Cell adhesion proteins are among the key regulators of morphogenesis. Concepts in developmental biology allantois , amnion , blastocyst , blastomere , blastula , blastulation , chorion , chrysalis , cleavage , ectoderm , embryo , embryogenesis , embryoge...
Allantois in Biological Dictionary

Allantois

Allantois is a part of a developing animal conceptus . It helps the embryo exchange gases and handle liquid waste. an extra-embryonic membrane of reptiles, birds, and mammals arising as a pouch, or sac, from the hindgut. In reptiles and birds it expands greatly between two other membrane...
Allantois in other areas

Allantois - Wikipedia, the free encyclopedia

Allantois is a part of a developing animal conceptus . It helps the embryo exchange gases and handle liquid waste.

allantois: Definition from Answers.com

... 1 umbilicus, 2 amnion, 3 allantois, 4 Yolk sac, 5 developing marginal ... The endometrium functions as a lining for the uterus, preventing adhesions ...

Lecture Notes

In combination with the allantois it forms the placenta and functions in ... The allantois and yolk sac are derived from the splanchnopleure. ...
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