How do you differentiate medial and lateral condyle of femur bone without marker?

To differentiate the medial and lateral condyles of the femur bone without a marker, there are a few key anatomical features to consider:

1. Shape and Orientation: The medial condyle is larger and more rounded, while the lateral condyle is smaller and more oval in shape. Additionally, the medial condyle faces more anteriorly, while the lateral condyle faces more laterally.

2. Grooves and Ridges: The medial condyle has a groove called the intercondylar fossa that separates it from the lateral condyle. The lateral condyle has a ridge called the lateral epicondylar ridge that runs along its lateral aspect.

3. Ligament Attachments: The medial condyle has attachments for the medial collateral ligament and the medial meniscus, while the lateral condyle has attachments for the lateral collateral ligament and the lateral meniscus.

By carefully examining these anatomical features, it is possible to differentiate the medial and lateral condyles of the femur bone without a marker.