The spine, or backbone, is a long column of bones that runs down the center of a person’s back. It is essential for many functions, such as movement, support, and protecting the spinal cord.

L earning how to draw hands can be a real challenge. Even experienced artists have to study the skill with dedication to master it because the human hand is a very complex piece of anatomy. Learning ...

The knuckles in our fingers include the metacarpophalangeal (MCP) joint, where the hand bone connects to the first finger bone, the proximal interphalangeal (PIP) joint, the middle joint which ...

A new reconstruction of the 375-million-year-old fossil fish Tiktaalik -- a close relative of limbed vertebrates -- used micro-CT to reveal bones still embedded in matrix. The reconstruction shows ...