dissect

Concise Oxford English Dictionary © 2008 Oxford University Press:
dissect /dʌɪˈsɛkt, dɪ-/

▶verb

• 1 methodically cut up (a body or plant) in order to study its internal parts.

• 2 analyse in minute detail.

– derivatives
dissection noun,
dissector noun.

– origin C16: from L. dissect-, dissecare ‘cut up’.