metastasis[mə tas′tə sis]
- The definition of metastasis is the movement of disease from one body part to another by way of the bloodstream or the lymph system.
An example of metastasis is the spreading of cancer from one spot in the body to another.
- Rare change of form or matter; transformation
- Med. the spread of disease from one part of the body to another unrelated to it, as in the transfer of the cells of a malignant tumor by way of the bloodstream or lymphatics
Origin of metastasisModern Latin ; from Late Latin a passing over, transition ; from Classical Greek ; from methistanai, to place in another way, change ; from meta, after (see meta-) + histanai, to place (see stand)
nounpl. me·tas·ta·ses Medicine
- 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.
- A secondary cancerous growth formed by transmission of cancerous cells from a primary growth located elsewhere in the body.
Origin of metastasisGreek, from methistanai, to change : meta-, meta- + histanai, to cause to stand, place; see stā- in Indo-European roots.
From Late Latin, from Ancient Greek Î¼ÎµÏ„Î¬ÏƒÏ„Î±ÏƒÎ¹Ï‚ (metastasis, â€œremoval, changeâ€), from Î¼ÎµÎ¸Î¯ÏƒÏ„Î·Î¼Î¹ (methistemi, â€œto remove, to changeâ€)