Which of the following structures in the embryo separates the primitive gut from the oral cavity?

Question

Quizplus · Accepted Answer

The buccopharyngeal membrane is a temporary membrane that separates the primitive gut from the oral cavity during early embryonic development. It later breaks down to form the opening between the oral cavity and the primitive gut, which becomes the future gastrointestinal tract. The tonsillar pillars and tuberculum impar are structures in the pharynx and the duodenal membrane is a temporary structure in the upper intestine, none of which are related to the separation of the primitive gut and oral cavity.

Which of the Following Structures in the Embryo Separates the Primitive