Researchers have developed a new stem cell model of the mature human amniotic sac, which replicates development of the tissues supporting the embryo from two to four weeks after fertilization. This is ...

A lot happens in the first month of human embryo development as a single cell morphs into multitudes. Yet despite its significance, this period is basically a “black box” to researchers, says stem ...

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 ...

Human fingers and toes do not grow outward; instead, they form from within a larger foundational bud, as intervening cells recede to reveal the digits beneath. This is among many processes captured ...

The little clump of cells looked almost like a human embryo. Created from stem cells, without eggs, sperm, or a womb, the embryo model had a yolk sac and a proto-placenta, resembling a state that real ...

Full view of how bones and joints form in the first trimester uncovers cells and pathways that could help diagnose and treat skeletal conditions in the future. The first 'blueprint' of human skeletal ...

Originally published in Switzerland by S. Karger Medical Publishers, Basel, Switzerland. SCDIRB copy 39088019621895 not included in Bibliotheca Beckwithiana (unpublished). SCDIRB copy has bookplate: ...