Contents of the femoral canal?

• A. Femoral artery
• B. Deep inguinal lymph node
• C. Saphenous nerve
• D. Iliopsoas tendon

Answer: (B)

At the femoral sheath, there are three stacked compartments: lateral for the artery, middle for the vein, and medial for the canal. The canal is the medial compartment and its contents are lymphatics, including the deep inguinal lymph node. This node sits along the femoral vessels within the canal and is involved in draining lymph from deep structures of the lower limb and adjacent regions. The other structures described don’t reside in the canal: the femoral artery is in the lateral compartment, the femoral vein is in the intermediate compartment, the iliopsoas tendon lies anterior to the femoral sheath, and the saphenous nerve travels with the great saphenous vein outside the sheath.