The pisiform \/ pisiform bone \/ ulnar bone \/ medial sesamoid bone \/ ulnar sesamoid bone \/ internal sesamoid bone \/ medial sesamoid bone of the hand \/ ulnar sesamoid bone of the hand \/ internal sesamoid bone of the hand \/ medial sesamoid bone of the carpus \/ ulnar sesamoid bone of the carpus \/ internal sesamoid bone of the carpus \/ medial sesamoid bone of the wrist \/ ulnar sesamoid bone of the wrist \/ internal sesamoid bone of the wrist