The amnion of mammalian embryo is derived from:
- Amesoderm and trophoblast
- Bendoderm and mesoderm
- Cectoderm and mesoderm
- Dectoderm and endoderm
Solution & Step-by-step Explanation
The amnion is an extraembryonic membrane. It is composed of an inner layer of ectoderm and an outer layer of somatic mesoderm. It surrounds the amniotic cavity containing amniotic fluid.