Which of the following are components of the definitive chorion?
The definitive chorion consists of three components: extraembryonic somatic mesoderm, cytotrophoblast, and syncytiotrophoblast. The chorion defines the chorionic cavity in which the embryoblast is suspended and is vital in the formation of the placenta.
General Embryology 1
Extraembryonic somatic mesoderm and epiblast
Extraembryonic somatic mesoderm and cytotrophoblast
Extraembryonic somatic mesoderm and syncytiotrophoblast
Extraembryonic somatic mesoderm, cytotrophoblast, and syncytiotrophoblast
Extraembryonic somatic mesoderm, cytotrophoblast, and syncytiotrophoblast