syn·dac·ty·lism /(ˌ)sɪnˈdæktəˌlɪzəm/
  並指
  syn·dac·ty·lism /(ˈ)sɪnˈdæktəˌlɪzəm/ 名詞
  並指(現象),並趾(現象)
  syndactylism
       n : birth defect in which there is partial or total webbing
           connecting two or more fingers or toes [syn: syndactyly]