The process by which the outside cell layer moves towards the deeper layer of the embryonic cell is termed a? A) Epiboly B) Emboly C) Regression D) Inversion Related MCQs: When cell wall is removed from the plant cell then it is called? In embryonic life, the RBCs are formed in the spleen and? The development of a whole individual is technically termed as? This germinal layer in animal embryos gives rise to lungs?