<prompt> A patient was on DVT prophylaxis. All of the following has perforators which connect superficial veins to the deep veins, except?AnkleBelow the inguinal ligamentMid calfLower thigh  <response>: Below inguinal ligament.Blood flows from the superficial to the deep veins through perforating communicating veinsPerforators are located- below the medial malleolus inframalleolar perforator- in the medial calf Cockett perforators- just above Dodd perforator below the knee Boyd perforator- at the level of the adductor canal Hunterian perforator 