Abnormality of the proximal phalanx of the 3rd finger Bullet-shaped phalanges of the 3rd finger Bullet-shaped proximal phalanx of the 3rd finger HP:0009451 UMLS:C4024354 Bullet-shaped phalanx refers to a short and wide phalanx that tapers distally . Bullet-shaped phalanges lack the normal diaphyseal constriction. This term is used if the proximal phalanx of the 3rd finger is affected. 2009-01-14T04:33:41Z Bullet-shaped proximal phalanges of the hand bullet-shaped proximal phalanx of manual digit 3