A soft tissue continuity in the A/P axis between two digits that extends distally to at least the level of the proximal interphalangeal joints, or a soft tissue continuity in the A/P axis between two digits that lies significantly distal to the flexion crease that overlies the metacarpophalangeal or metatarsophalangeal joint of the adjacent digits. (Human Phenotype Ontology, HP_0012725)
24 genes associated with the cutaneous syndactyly phenotype by mapping known disease genes to disease phenotypes from the HPO Gene-Disease Associations dataset.
