All of the following regarding adductor canal are true except
**Core Concept**
The adductor canal is a fascial canal in the middle third of the thigh, extending from the apex of the femoral triangle to the opening in the adductor magnus muscle, where the femoral vessels and nerve pass into the popliteal space. It plays a crucial role in the transition of the femoral vessels and nerve from a more superficial to a deeper location, protecting them from injury.
**Why the Correct Answer is Right**
The correct answer is related to the anatomy and function of the adductor canal. The adductor canal is a fascial canal that transmits the femoral vessels and nerve from the femoral triangle to the popliteal space, where they become the popliteal vessels and tibial and common peroneal nerves. The canal is formed by the aponeurosis of the adductor longus and magnus muscles, which converges to form a roof over the canal.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it contradicts the basic anatomy of the adductor canal. The adductor canal is a fascial canal that transmits the femoral vessels and nerve from the femoral triangle to the popliteal space.
**Option B:** This option is incorrect because it is a true statement about the adductor canal. The canal is indeed located in the middle third of the thigh and extends from the apex of the femoral triangle to the opening in the adductor magnus muscle.
**Option C:** This option is incorrect because it is a true statement about the adductor canal. The canal transmits the femoral vessels and nerve from the femoral triangle to the popliteal space.
**Option D:** This option is incorrect because it contradicts the basic anatomy of the adductor canal. The canal is not located in the upper third of the thigh, but rather in the middle third.
**Clinical Pearl / High-Yield Fact**
The adductor canal is an important landmark in the thigh, and knowledge of its anatomy is crucial for identifying the femoral vessels and nerve in the operating room or during surgical procedures.
**Correct Answer:** D.