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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]