A soft tissue continuity in the A/P axis between two fingers 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 fingers that lies significantly distal to the flexion crease that overlies the metacarpophalangeal joint of the adjacent fingers. (Human Phenotype Ontology, HP_0010554)
21 genes associated with the cutaneous finger syndactyly phenotype by mapping known disease genes to disease phenotypes from the HPO Gene-Disease Associations dataset.
