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Pronunciation: ep'i-pi'gus

Definition: Unequal conjoined twins in which the smaller, incomplete parasite is attached to the buttock of the larger autosite.

See: pygomelus, conjoined twins, under twin

[epi- + G. pyge, buttocks]

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