What is another word for chorion?
Pronunciation: [kˈɔːɹi͡ən] (IPA) 
Chorion refers to the outermost fetal membrane that surrounds an embryo in mammals and some reptiles. Some of the synonyms that can be used interchangeably with chorion include amnion, allantois, blastocyst, trophoblast, and embryonic membrane. These terms refer to different structures or stages in embryonic development, but they are commonly used in discussions about fetal development and pregnancy. Understanding the various synonyms for chorion can help individuals gain a better understanding of embryology and reproductive biology. Additionally, these terms may be used in medical contexts when discussing prenatal care, fetal abnormalities, and infertility.
