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Pronunciation: ă-rak′nō-dak′ti-lē

Definition: A condition in which the hands and fingers, and often the feet and toes, are abnormally long and slender; a characteristic of Marfan syndrome [MIM*154700], Achard syndrome [MIM*100700], MASS syndrome [MIM*157700], and related hereditary disorders of connective tissue.

Synonym(s): spider finger

[G. arachnē, spider, + daktylos, finger]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.