n. pl. me·tas·ta·ses (-sēz′)
1. Transmission of pathogenic microorganisms or cancerous cells from an original site to one or more sites elsewhere in the body, usually by way of the blood vessels or lymphatics.
2. A secondary cancerous growth formed by transmission of cancerous cells from a primary growth located elsewhere in the body.
[Greek, from methistanai, to change : meta-, meta- + histanai, to cause to stand, place; see stā- in the Appendix of Indo-European roots.]
met′a·static (mĕt′ə-stătĭk) adj.
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