part of part of connects connects distal phalanx digit 3 skeletal ligament equine distal sesamoid distal sesamoid impar ligament distal sesamoidean impar ligament UBERON:0014509 DSIL SCTID:370741005 A short wide fibrous structure that attaches proximally to the navicular (distal sesamoid) and distally to the palmar margin of the flexor surface of the distal phalanx. impar ligament of distal equine limb