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Pronunciation: ko're-o-an'je-o'sis

Definition: An abnormal increase in the number of vascular channels in placental villi; severe chorioangiosis is associated with a high incidence of neonatal death and major congenital malformations.

Synonym(s): chorioangiomatosis

[chorio- + G. angeion, vessel, + -osis, condition]

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