Structure immediately medial to the femoral artery within the femoral sheath?

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Multiple Choice

Structure immediately medial to the femoral artery within the femoral sheath?

Explanation:
In the femoral region, the contents of the femoral sheath are arranged from lateral to medial as: the femoral artery, then the femoral vein, and then the femoral canal (containing lymphatics). Therefore, the structure immediately medial to the femoral artery is the femoral vein. The femoral nerve lies outside the sheath and is not part of this medial-to-lateral sequence, while the profunda femoris artery is a branch of the femoral artery that travels deep to it rather than being a contained inner-sheath structure. The lymphatic canal is the most medial compartment, but it lies medial to the vein, not directly medial to the artery.

In the femoral region, the contents of the femoral sheath are arranged from lateral to medial as: the femoral artery, then the femoral vein, and then the femoral canal (containing lymphatics). Therefore, the structure immediately medial to the femoral artery is the femoral vein. The femoral nerve lies outside the sheath and is not part of this medial-to-lateral sequence, while the profunda femoris artery is a branch of the femoral artery that travels deep to it rather than being a contained inner-sheath structure. The lymphatic canal is the most medial compartment, but it lies medial to the vein, not directly medial to the artery.

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