Polysyndactyly or PPD4 is a form of preaxial polydactyly of fingers (see this term), a limb malformation syndrome, characterized by the presence of a thumb showing the mildest degree of duplication, being broad, bifid or with radially deviated distal phalanx. Syndactyly of various degrees of third-and-fourth fingers is occasionally present. (Orphanet Rare Disease Ontology, Orphanet_93338)
11 genes associated with the disease Polysyndactyly in GWAS and other genetic association datasets from the DisGeNET Gene-Disease Associations dataset.
