Split hand Split-hand SNOMEDCT_US:299034005 Ectrodactyly of the hand HP:0001247 HP:0001171 UMLS:C0221373 HP:0003050 Hand ectrodactyly Split hand A condition in which middle parts of the hand (fingers and metacarpals) are missing giving a cleft appearance. The severity is very variable ranging from slightly hypoplastic middle fingers over absent middle fingers as far as oligo- or monodactyl hands. Abnormal hand morphology Ectrodactyly