You need the Flash Player version 8.0.0.0 or higher and a JavaScript enabled browser to view this site

Medical Incredible: Born With Two Heads

Related Article: Learn more about fetal development.

An Egyptian infant is born with two heads, an extremely rare medical condition known as craniopagus parasiticus.

browse videos in fetal development

Human Mutants: Fetal Skeletons (1:49)

On Discovery Channel's "Human Mutants: The Mystery of Growth," learn how the skeleton begins to grow in an embryo and how it continues to develop.

Medical Incredible: Born With Two Heads (2:30)

An Egyptian infant is born with two heads, an extremely rare medical condition known as craniopagus parasiticus.

Human Atlas: Fetal Development (1:26)

Fetal development has many stages that allow the child to be born. Learn more about fetal development in this video.

Basics of Biology: How Organ Systems Form (1:25)

All of the organ systems in a human develop from a single fertilized egg that differentiates itself based on the instructions in its DNA.

recently added

Basics of Biology: How Organ Systems Form (1:25)

All of the organ systems in a human develop from a single fertilized egg that differentiates itself based on the instructions in its DNA.