[‚ek·trō·dak′til·ē·ə] (medicine) Congenital absence of any of the fingers or toes or parts of them.
ectrodactylia
ec·tro·dac·ty·ly
, ectrodactylia, ectrodactylism (ek'trō-dak'ti-lē, -dak-til'ē-ă, -dak'ti-lizm) Congenital absence of all or part of one or more fingers or toes. Known also as split-hand/foot deformity, lobster claw. There are several varieties and the pattern of inheritance is usually irregular. [ectro- + G. daktylos, finger]