The human body contains an astonishing 36 to 37 trillion cells, each serving unique functions across organs and systems. In a groundbreaking initiative, the Human Cell Atlas (HCA), an international ...

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 ...

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 ...