<prompt> Which is the most lateral structure passing through thecanal in the flexor retinaculum of footFlexor digitorum longus tendonTibialis posterior tendonFlexor Hallucis longus tendonPosterior tibial vessels  <response>: Structure passing through the canal in the flexor retinaculum of foot from medial to lateralTibialis posterior tendonFlexor digitorum longus tendonPosterior tibial vesselsThe tibial nerveFlexor Hallucis longus tendon 