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

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Ancient fish once roamed the waters with features that preceded human elbows and knees. Scientists have revealed that our flexible joints can be traced to the earliest jawed fish, bridging the distant ...

Researchers from the University of Chicago have discovered that these specialized joints first appeared in the common ancestor of all jawed vertebrates but were absent in jawless fish. This pushes ...

In a fit of anger, she reportedly threw a rock at him, but it ended up shattering a fish tank, causing water to flood the school's first floor. According to the accuser, instead of Ian facing ...

Researchers from the University of Chicago have discovered that these specialized joints first appeared in the common ancestor of all jawed vertebrates but were absent in jawless fish. This pushes the ...

The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ancient jawed fish ancestors, according to a study published February 25 th in ...

More information: Sharma N, et al. Synovial joints were present in the common ancestor of jawed fish but lacking in jawless fish. PLOS Biology (2025). DOI: 10.1371/journal.pbio.3002990 ...

Altogether, these results show that synovial joints are shared across jawed fish, but apparently absent in jawless fish, indicating that these joints first evolved in the ancestors of jawed ...