Illustration Baker cyst

1. Baker's cyst
   (Popliteal cyst)
2. Femur -
   Femur
3. Semi-membranous muscle -
   Semimembranosus muscle
4. Joint capsule, fiber layer
   (yellow) -
   Capsula articularis,
   Membrana fibrosa
5. Joint capsule, soft layer
   (orange) -
   Capsula articularis,
   Synovial membrane
6. Joint cavity
   (filled with synovial fluid) -
   Articular cavity, synovia
7. Shin - Tibia
8. Internal calf muscle -
   M. gastrocnemius, caput mediale
9. Fibula - Fibula
10. Articular cartilage (dark blue) -
    Cartilago articularis
11. Kneecap - patella
12. Inner meniscus -
    Meniscus medialis
    
    A - Knee joint effusion with Baker's cyst
    B - Healthy knee joint
    a - swelling in the hollow of the knee
    b - swelling in the calf muscles

You can find an overview of all Dr-Gumpert images at: medical illustrations

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