The breaking of an entity into smaller parts. SYN: spallation (1).
- f. of the myocardium a transverse rupture of the muscular fibers of the heart, especially those of the papillary muscles.

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frag·men·ta·tion (frag″mən-taґshən) 1. a division into fragments. 2. a form of reproduction seen in certain organisms, such as flatworms, in which the body of the parent may break into several pieces, each piece then regenerating the missing parts and developing into a whole animal.

Medical dictionary. 2011.