metastases
  同質蛻變
  Me·tas·ta·sis n.; pl. Metastases
  1. Theol. A spiritual change, as during baptism.
  2. Med. A change in the location of a disease, as from one part to another.
  4. Physiol. The act or process by which matter is taken up by cells or tissues and is transformed into other matter; in plants, the act or process by which are produced all of those chemical changes in the constituents of the plant which are not accompanied by a production of organic matter; metabolism.
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  metastasis
       n 1: the spreading of a disease to another part of the body
       2: the organic processes (in a cell or organism) that are
          necessary for life [syn: metabolism, metabolic process]
       [also: metastases (pl)]