<prompt> Which of the following aeries gives aerial supply to ACL?Fibular head aeryDescending genicular aerySuperior genicular aeryMiddle genicular aery  <response>: D i.e., Middle genicular aery - Middle genicular aery arises from popliteal aery near the posterior centre of knee joint and pierces oblique popliteal ligament to reach interior of knee joint, where it supplies cruciate ligaments anterior posterior and synol membrane.Middle genicular nerve a branch of tibial nerve innervate cruciate ligaments. 