Abnormal foot morphology Split foot HP:0005904 Split-foot Split foot A condition in which middle parts of the foot (toes and metatarsals) are missing giving a cleft appearance. The severity is very variable ranging from slightly hypoplastic 3rd toe over absent 2nd or 3rd toes as far as oligo- or monodactyl feet. Foot ectrodactyly SNOMEDCT_US:205358006 HP:0001839 UMLS:C0432028 Lobster-claw foot deformity HP:0003062 Ectrodactyly