Part of primitive gut is

In mammals, the archenteron/ primitive gut is lined with

In mammals the archenteron/primitive gut is lined with

In mammals, the arhenteron/primitive gut is lined with

In mammals the archenteron/primitive gut is lined with

Which of the following is most simple tissue in organs and primitive tissue present in all parts of plant

The primitive gut that forms during gastrulation is called ..........

Which part of the gut secretes the peritrophic membrane in cockroach ?