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Metastasis - Dictionary Definition and Overview |
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Metastasis : (noun)
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]
Based on WordNet 2.0
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Metastasis : \Me*tas"ta*sis\, n.; pl. Metastases. [L.,
transition, fr. Gr. ?, fr. ? to place in another way; ? after
_ ? to place.]
1. (Theol.) A spiritual change, as during baptism.
2. (Med.) A change in the location of a disease, as from one
part to another. --Dunglison.
3. (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.
Based on Webster's Revised Unabridged Dictionary
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Metastasis : Metastasis: The very important process by which cancer spreads from one part of the body to another, the way it travels from the place at which it first arose as a tumor to distant
locations in the body.
The term "metastasis" also applies to a tumor that crops up by this process due to the spread of the primary tumor. For example, someone with colon cancer may fortunately show no metastasis.
Cells that liver , the cancer cells growing in the liver are lung cancer cells.
The ancient Greeks used the word metastasis to mean "removal from one place to another." The plural of "metastasis" is "metastases."
Based on Webster's Revised Unabridged Dictionary (1913)
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