While the common ancestor of vertebrates with synovial joints is still a mystery, the oldest specimen with evidence of these ...

A new study from the University of Chicago has uncovered the surprising origin of the flexible joints that allow us to move ...

Explores the anatomy and functions of human joints, categorizing them into three main types: fibrous, cartilaginous, and synovial. It details the characteristics and subtypes of each joint type, ...

The researchers also studied fossils of extinct fishes dating back almost 400 million years and saw evidence that some of the oldest jawed fishes had bones with joint cavities for articulated ...

Analysis revealed cavitated joints in the cartilaginous fish, but not in lampreys. Additionally, the cartilaginous fish exhibited certain proteins and developmental processes that are shared with ...

These joint cavities can be seen in cartilaginous fish such as skates or sharks. However, when the researchers studied jawless fish such as lampreys and the hagfish, not a single synovial joint cavity ...