vt :  to cut so as to separate into pieces or to expose the several parts of (as an animal or a cadaver) for scientific examination : specif  :  to separate or follow along natural lines of cleavage (as through connective tissue) < out the regional lymph nodes>  <a ing aneurysm>  vi  :  to make a medical dissection dis*sec*tor n 
 
    
 
Similar sounding terms:   discoid 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.