Fusion of the terminal/distal and middle phalanges of the 5th finger.
Synonyms:
exact_synonym:
Fifth finger distal interphalangeal joint symphalangism; Fused end and middle bones of little finger; Fused end and middle bones of pinkie finger; Fused end and middle bones of pinky finger; Symphalangism of the distal and middle phalanges of the 5th finger; Symphalangism of the terminal and middle phalanges of the 5th finger
related_synonym:
Fusion of the terminal and middle phalanges of the 5th finger