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Contact: Rex Graham
ragraham@ucsd.edu
858-822-3075
University of California - San Diego

Flexed and Immobile Joint Cartilage

Caption: When the knee joint is not subjected to continuous passive motion (left), less proteoglycan 4 is produced by chondrocyte cells than when the knee joint is continuously moved (right). The dark purple stain is a specific visualization tool to identify chondrocyte cells in cartilage that are producing proteoglycan 4.

Credit: UC San Diego

Usage Restrictions: Credit: UC San Diego

Related news release: How movement lubricates bone joints


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