0009544 Abnormality of the proximal phalanx of the 2nd finger	0009546 Triangular shaped phalanges of the 2nd finger	0009858 Triangular shaped proximal phalanges of the hand
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0009587 Triangular shaped proximal phalanx of the 2nd finger

synonym

Triangular proximal index finger phalanx

Triangular shaped innermost bone of index finger