A morula is an early stage in embryonic development that consists of a solid ball of cells resulting from the division of a fertilized ovum. It forms before the blastocyst stage and after the zygote stage.
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A blastocyst is the stage in embryonic development that follows the morula, characterized by a fluid-filled cavity and differentiation into an inner cell mass and outer cells.
Embryogenesis: Embryogenesis is the process by which the embryo forms and develops, starting from fertilization through stages like the morula and blastocyst, leading to further differentiation into tissues and organs