Abnormal distal phalanx morphology of finger Tapered distal phalanges of finger 2009-04-24T04:40:31Z Tapered distal phalanges UMLS:C1969237 HP:0009884 HP:0006052 A reduction in diameter of the distal phalanx of finger towards the distal end. Tapered distal phalanges of the hand tapered distal phalanx of manus