The artificial separation of the different parts of a human body or animal (or more generally of any organized body), in order to discover their…

The action of dissecting something; the result of this, an incision.

The process of dissecting; anatomization. (Now mostly gerundial.)

spec. The methodical cutting up of an animal or a plant, for the purpose of displaying its internal structure.

= dissection, n.

The body of facts and deductions as to the structure of organized beings, animal or vegetable, ascertained by dissection; the doctrine or science…

The action or process of anatomizing; dissection; analysis of anatomic structure. Also fig.

Dissection of a dead body. Also figurative.

The dissection of plants; plant anatomy.

(also attributive).