<prompt> True about adductor hiatus isOpening in aponeurosis of adductor magnusLies close to adductor tubercleImporatnt vessels pass through itAll of the above  <response>: The adductor hiatus is a hiatus gap between the adductor magnus muscle and the femur that allows the passage of the femoral vessels from the anterior thigh to the posterior thigh and then the popliteal fossa .It is the termination of the adductor canal and lies about 8-13.5 cm. superior to the adductor tubercle .Only two structures enter and then leave through the hiatus; namely the femoral aery and femoral vein . Ref - pubmed.com 