- encranius
- In conjoined twins, a form of fetal inclusion in which the smaller parasite lies partly or wholly within the cranial cavity of the larger autosite. [G. en, in, + kranion, skull]
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en·cra·ni·us (en-kraґne-əs) [en- + Gr. kranion skull] in asymmetrical conjoined twins, a parasitic twin located within the cranium of the larger twin.
Medical dictionary. 2011.