.]]Dissection is usually the process of disassembling and observing something to determine its internal structure and as an aid to discerning the function and relationships of its components. It may refer also to some spontaneous natural process of disassembly as in aortic dissection.In biologyDissection is usually applied to the examination of plants and animals. The term is also used in relation to mechanisms, computer programs, written materials, etc., as a synonym for terms such as