part of part of Homo sapiens distal phalanx of manual digit 5 tuberosity of fifth distal phalanx of hand 2026-03-19T00:00:00Z A skeletal element projection forming the roughened, horseshoe-shaped ungual tuberosity at the distal end of the fifth distal phalanx, anchoring the fibrous septa of the fingertip pulp and providing support for the nail bed of the little finger. skeletal element projection David Osumi-Sutherland