embryo

n. an animal in the stages of development between cleavage of the fertilized egg and birth or hatching. In human prenatal development, the embryo comprises the products of conception during the first 8 weeks of pregnancy; thereafter, it is called a fetus. See embryonic stage. —embryonic adj.

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Psychology term of the day

March 17th 2025

stage

n. a relatively discrete period of time in which functioning is qualitatively different from functioning during other periods.