描述

From the medial and lateral borders of the articular surface of the patella, reduplications of the synovial membrane project into the interior of the joint. These form two fringe-like folds termed the alar folds;below, these folds converge and are continued as a single band, the patellar fold (ligamentum mucosum), to the front of the intercondyloid fossa of the femur.


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