Embryology is the branch of biology that focuses on the development of embryos, from the fertilization of the egg to the formation of the complete organism.

It involves the study of the processes of cell division, differentiation, and morphogenesis that occur during embryonic development.

Embryology provides insights into how different organs and systems form and develop in the early stages of life.

It is an important field of study for understanding birth defects, genetic disorders, and developmental abnormalities.