de·ner·vate 
(dē-nŭrvāt′)
(dē-nŭrvāt′)tr.v. de·ner·vat·ed, de·ner·vat·ing, de·ner·vates
To deprive (an organ or body part) of a nerve supply, as by surgically removing or cutting a nerve or by blocking a nerve connection with drugs.
de′ner·vation n.