Fingers or toes (digits) may be fused together (syndactyly) or the webbing between them (inter-digital webbing) may extend far up the digits. Syndactyly is seen commonly between the 2nd and 3rd toes, and is usually associated with a syndrome.
Update Date 9/8/2014
Updated by: C. Benjamin Ma, MD, Assistant Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.