Skip to Content
Medical Term:


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]

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