When all the major organs are formed, the embryo is called a

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A fetus is an embryo that has developed all of its major organs and is recognizable as a developing human. A morula is an early stage embryo consisting of a solid ball of cells, while a blastocyst is a slightly later stage embryo with a fluid-filled cavity and a recognizable inner cell mass. A zygote is the single cell that forms when a sperm cell fertilizes an egg cell, before any significant cell division or differentiation has occurred.

When All the Major Organs Are Formed, the Embryo Is