Over the past year or two, we have been exploring what we termed the origins—or the embryology—of human development. We examined the three pillars of development: Feelings (Affects), Language ...

Embryology is the science of when life begins and its early development. Embryology textbooks are clear about when life begins: ... The Developing Human: Clinically Oriented Embryology (6th ed.) ...

The Developing Human: Clinically Oriented Embryology. 7th edition. In other words, Joe Biden’s life began when he came into being after conception as a one-celled human being –whether he ...

The Developing Human: Clinically Oriented Embryology. 5th ed. Philadelphia, Pa: WB Saunders; 1993: 385-442. Midline facial development occurs during the same time frame as development of the ...