ALLANTOCHORION Meaning and
Definition
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Allantochorion is a term primarily used in animal anatomy and reproductive biology to describe a specialized fetal tissue structure that develops during gestation. It refers to a part of the placenta formed through the fusion of two fetal membranes, namely the allantois and the chorion. The allantois is a membranous sac that emerges from the embryo, while the chorion is another outer membrane surrounding the fetus.
The allantochorion is vital for the growth and development of the fetus, as it plays a crucial role in nutrient transfer, gas exchange, waste elimination, and hormone production. It acts as a connection and interface between the developing fetus and the maternal tissues, facilitating the exchange of substances necessary for fetal development.
The allantochorion can be found in various animal species, including mammals and reptiles. In mammals, such as humans and other placental animals, the allantochorion is a critical component of the placenta and is responsible for establishing a connection between the fetal blood supply and the maternal blood supply, allowing for the exchange of nutrients, oxygen, and waste products. In reptiles, the allantochorion is involved in gas exchange by facilitating the transport of oxygen to the developing embryo.
Understanding the structure and function of the allantochorion is essential for gaining insight into the mechanisms of reproductive processes, as well as for comprehending the complexities of fetal development in different species.
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Fusion of the allantois and chorion to form one structure.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ALLANTOCHORION
- zllantochorion
- sllantochorion
- wllantochorion
- qllantochorion
- aklantochorion
- aplantochorion
- aolantochorion
- alkantochorion
- alpantochorion
- aloantochorion
- allzntochorion
- allsntochorion
- allwntochorion
- allqntochorion
- allabtochorion
- allamtochorion
- allajtochorion
- allahtochorion
- allanrochorion
- allanfochorion
Etymology of ALLANTOCHORION
The word "allantochorion" is derived from two Latin roots: "allantois" and "chorion".
The term "allantois" originates from the Greek word "allantois", which means "sausage". In embryology, the allantois is a membranous sac that is present in the embryos of reptiles, birds, and mammals. It develops from the hindgut and serves various functions, including waste disposal and gas exchange.
The term "chorion" also has its roots in Greek, deriving from the word "chorion", which means "skin" or "membrane". In embryology, the chorion is one of the extraembryonic membranes that surround the developing embryo. The chorion contributes to the formation of the placenta and is involved in nutrient exchange and waste elimination between the fetus and mother.
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