dis·sect 
(dĭ-sĕkt, dī-, dīsĕkt′)
(dĭ-sĕkt, dī-, dīsĕkt′)tr.v. dis·sect·ed, dis·sect·ing, dis·sects
1. To cut apart or separate (tissue), especially for anatomical study.
2. To examine, analyze, or criticize in minute detail: dissected the plan afterward to learn why it had failed.
[Latin dissecāre, dissect-, to cut apart : dis-, dis- + secāre, to cut up; see sek- in the Appendix of Indo-European roots.]
dis·secti·ble adj.
dis·sector n.