Brachydactyly, Type B1, also known as brachydactyly type b1, is related to brachydactyly and brachydactyly, type b2. An important gene associated with Brachydactyly, Type B1 is ROR2 (Receptor Tyrosine Kinase Like Orphan Receptor 2), and among its related pathways/superpathways are Signal Transduction and Signaling by WNT. Affiliated tissues include bone and heart, and related phenotypes are short distal phalanx of finger and short metacarpal