Human skeletons are often described in neat textbook numbers, but real bodies are far messier and more interesting. Extra ...

“Onion skin,” which doctors call lamellated periosteal reaction, occurs when multiple layers of bone form in a concentric circle around the outer surface of the bone. It can occur with Ewing sarcoma.

This landscape of blue, red, and gold is a cross section through a developing human bone. Human bones have a hard outer layer made of condensed bone and a softer inner core of spongy bone. This ...

Professor Huaijun Zhou from the Department of Animal Science (Jael Mackendorf/UC Davis) Keel bone damage, such as deviations or fractures in a bird’s breastbone, is a prevalent problem among ...

Inside a cave beneath a medieval German castle, researchers have discovered a pit of bones that they say unlock secrets of the earliest humans. The remains — buried in layers of soil in the collapsed ...

Bones are a key part of your skeletal system. They’re lightweight structures that are incredibly strong. A normal adult has around 206 bones in their body. Your bones join together to make your ...

Hydroxyapatite (HA) is an inorganic mineral present in human bone and teeth. It plays a role in the structural strength of bone and in bone regeneration. While it occurs naturally in bone, healthcare ...