The fascia lata over the femoral triangle forms the roof of the triangular space (inguinal ligament superiorly, sartorius laterally, adductor longus medially) containing the femoral neurovascular bundle and deep inguinal nodes. The fossa ovalis is the fascial perforation for the saphenous vein.
Forms the roof of the femoral triangle and is perforated by the fossa ovalis where the saphenous vein enters the femoral vein — the point where femoral hernias emerge superficially.
The triangle is the landmark for femoral vessel access in cardiac catheterisation, femoral nerve block, and inguinal lymph node biopsy. Femoral pseudoaneurysm after catheterisation occurs within the triangle.
The common femoral artery punctured within the triangle below the inguinal ligament and above the femoral bifurcation for safe vascular access.
Femoral hernia contents emerging through the saphenous opening below and lateral to the pubic tubercle.
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