ex·te·ri·or·ize 
(ĭk-stîrē-ə-rīz′)
(ĭk-stîrē-ə-rīz′)tr.v. ex·te·ri·or·ized, ex·te·ri·or·iz·ing, ex·te·ri·or·iz·es
1. To turn outward; externalize: They exteriorized their feelings of sympathy by erecting monuments to the deceased.
2. Medicine To expose (an internal organ or body part), as in surgery.