dissect

Short definition from Wiktionary

Verb

1. 1
   To study an animal's anatomy by cutting it apart; to perform a necropsy or an autopsy.
2. 2
   To study a plant's or other organism's anatomy similarly.
3. 3
   To analyze an idea in detail by separating it into its parts.
4. 4
   To separate muscles, organs, etc. without cutting into them or disrupting their architecture.
5. 5
   Of an infection or foreign material, following the fascia separating muscles or other organs.