Medical Dictionary – The definition of Allantois
Allantois is the membranous sac which form the outgrowth of the embryonic hindgut. The outer layer / the mesodermal will carry the blood vessel to the placenta and form the umbilical cord. Allantois has a small cavity which reduced in size during the development of the fetus.
Allantois is the membranous sac which form the outgrowth of the embryonic hindgut. The outer layer / the mesodermal will carry the blood vessel to the placenta and form the umbilical cord. Allantois has a small cavity which reduced in size during the development of the fetus.