The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years. Despite ...

A pivotal wrist bone in birds appears earlier in theropods. This could shift views on how flight evolved. An analysis of two ...

Bone marrow was collected from the right and left posterior iliac crests. The anaesthetic duration was 76 min and the surgical duration 58 min.

Orthopedic surgeons are doctors who specialize in surgery of bones, joints, and muscles. Learn more about the conditions they treat and why you might want to see an orthopedic surgeon.

Guidelines on physical activity or exercise and pregnancy encourage pregnant women to continue or adopt an active lifestyle during and following pregnancy.1–3 Two systematic reviews of ...

All blood cells start in your bone marrow as stem cells. View our 3D animation in full screen, interact, and learn more.

Thus, the skin may mirror the health of the bones and conversely, the condition of the skin may be reflected in the bones. From the perspective of the skin–bone axis, the similarities between skin and ...