Medical Dictionary

arachnodactyly

noun arach·no·dac·ty·ly \ ə-ˌrak-nō-ˈdak-tə-lē \

medical Definition of arachnodactyly

plural arachnodactylies
:a hereditary condition characterized especially by excessive length of the fingers and toes — see congenital contractural arachnodactyly

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