Medical Dictionary


noun dis·sec·tion \dis-ˈek-shən; dī-ˈsek-, ˈdī-ˌ\

Medical Definition of DISSECTION

:  the act or process of dissecting or separating: as a :  the surgical removal along natural lines of cleavage of tissues which are or might become diseased b :  the digital separation of tissues (as in heart-valve operations)—compare finger fracture c :  a pathological splitting or separation of tissue—see aortic dissection
a :  something (as a part or the whole of an animal) that has been dissected b :  an anatomical specimen prepared in this way
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