This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lower limb 1, Subject name: Anatomy
Which of the following lies lateral to sheath of femoral hernia? 
Select and explain. 
A. Femoral aery, B. lateral cutaneous nerve of thigh, C. Femoral vein, D. Femoral nerve
C: Femoral vein
Answer: C: Femoral vein 
Explanation: Femoral vein lies lateral to sheath of femoral hernia.Femoral sheath - funnel shaped sleeve of fascia enclosing upper 3-4 cm of femoral vessels. The sheath is divided into three compaments by septa- Lateral compament - femoral aery and femoral branch of genitofemoral nerve Intermediate compament- femoral vein Medial compament - Also known as Femoral canal - Contains lymph node of Cloquet Femoral hernia - The femoral canal is an area of potential weakness in the abdominal wall through which abdominal contents may bulge out forming a femoral hernia. It is more common in females. So lateral to femoral canal lies femoral vein.