Together, the membranes of the amniotic egg are called the _____ membranes.

Question

Quizplus · Accepted Answer

The extraembryonic membranes include the amnion, chorion, yolk sac, and allantois. Together, they contribute to the formation of the amniotic egg in reptiles, birds and monotremes. However, only the membranes formed by the amnion are called the amniotic membranes. The chorion, yolk sac, and allantois are not included in the definition of the amniotic membranes, but are still part of the extraembryonic membranes. Therefore, the best choice is E, meaning that the membranes of the amniotic egg are all considered extraembryonic membranes.

Together, the Membranes of the Amniotic Egg Are Called the _____