the action of cutting something open, especially a dead body or plant, in order to study its structure

Traditional surgical approaches to spinal pain involve open dissection of soft tissue and bone. 针对脊柱疼痛的传统外科手术法是要切开软组织和骨头。

the process of examining or considering something in detail, or a piece of work that is the result of doing this

The novel is really a dissection of nationalism. 小说对民族主义进行了彻底的剖析。