Is it ensure, insure, or assure?
"to dissect, investigate by dissection," early 15c., from Medieval Latin anatomizare or French anatomiser (16c.), from Greek anatomia (see anatomy). Related: Anatomized; anatomizing.
anatomize a·nat·o·mize (ə-nāt'ə-mīz')v. a·nat·o·mized, a·nat·o·miz·ing, a·nat·o·miz·es To dissect an animal or other organism to study the structure and relation of the parts.