[Accessory navicular bone].
D000842:Ankle / Q000002:abnormalities*; D000843:Ankle Joint; D005413:Flatfoot / Q000150:complications*; D005534:Foot Diseases; D006801:Humans; D013639:Tarsal Bones / Q000002:abnormalities
ANKLE/abnormalities; FLATFOOT/complications
Dell os tibiale externum.