The following structure does not pass through flexor retinaculurn
Ulnar nerve Flexor retinaculum (F.R.)Is a thickening of deep fascia which bridges the ant. concavity of the carpus and conves it into an osteofascial tunnel, the carpal tunnel.Structures passing beneath the flexor retinaculum from medial to lateral are:Flexor digitorum superficialis tendon & post. to these flexor digitorum profundus tendonsMedian N.Flexor pollicis longusFlexor carpi radialis
Ulnar N.
Median N.
Flexor digitorum profundus
Flexor digitorum superficialis