The first steps of human development—those that occur within the first few weeks of pregnancy—remain mysterious in many ways. Within a week of fertilization, human embryos form a blastocyst, which ...

The first lineage decisions in mammalian embryonic development are made shortly after a wave of transcriptional activation that acts as a wake-up call for the sleeping embryonic genome to claim the ...

Assistant Professor of Obstetrics and Gynecology, School of Medicine, University of Washington Embryonic development, also known as embryogenesis, is a cornerstone in understanding the origins of life ...

Scientists have created a stem cell-derived model of the human embryo in the lab by reprogramming human stem cells. The breakthrough could help research into genetic disorders and in understanding why ...

Scientists have grown a scalable new embryo-like model that unshrouds some mysteries of early human development, including blood cell formation, or hematopoiesis—a first for the field. In an article ...

Although Michelangelo's masterpiece David captured the magnificence of the human body - how this exquisite body plan is exactly established during human development has puzzled scientists for more ...

Step one: very small, immature human eggs within ovarian tissue are placed in culture in the lab, and begin to develop Step two: after initial development, eggs have grown and are more than double ...

We have long believed that brain growth stops and aging begins once we pass the age of 20. However, a study by British ...

Sigmund Freud developed a five-stage model of human development, each stage with its own characteristics and challenges. Not only was this a useful way of viewing our growth, but he believed that ...