这个词是什么意思？
A degeneration of the ARTICULAR CARTILAGE of the PATELLA, caused by a decrease in sulfated MUCOPOLYSACCHARIDES in the ground substance. When accompanied by pain, it is sometimes considered part of or confused with PATELLOFEMORAL PAIN SYNDROME.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D046789 · MeSH 2026。
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