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metastases    
同质蜕变

同质蜕变

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.
[1913 Webster]

2. (Med.) A change in the location of a disease, as from one
part to another. --Dunglison.
[1913 Webster]

3. Especially: The migration of cancerous or malignant cells
from the site of their origin to other parts of the body.
Such cells may migrate to multiple new locations, making
therapy more difficult and often leading to death.
[PJC]

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.
[1913 Webster]


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  • Metastasis - Wikipedia
    Metastasis involves a complex series of steps in which cancer cells leave the original tumor site and migrate to other parts of the body via the bloodstream, via the lymphatic system, or by direct extension
  • Metastatic Cancer: When Cancer Spreads - NCI
    In metastasis, cancer cells break away from where they first formed and form new tumors in other parts of the body Metastatic cancer does not always cause symptoms When symptoms do occur, what they are like and how often you have them will depend on the size and location of the metastatic tumors Some common signs of metastatic cancer include:
  • What Is Metastasis? (Stage IV, Metastatic or Secondary Cancer)
    Metastasis happens when cancer cells break off from the original tumor, enter your bloodstream or lymphatic system, and then spread to other areas of your body Doctors can’t cure most metastatic cancers, but treatment can help manage your symptoms Metastatic cancer spreads through your blood or lymph system What is metastasis?
  • METASTASES Definition Meaning - Merriam-Webster
    The meaning of METASTASIS is change of position, state, or form How to use metastasis in a sentence
  • Metastatic and Metastasized Cancers: Answers to 7 Common Questions
    Metastatic cancer occurs when cancer cells spread from the organ where they started to a distant part of the body Metastatic cancers are considered stage 4 Even after cancer has invaded another organ, it is still identified by the place where it developed
  • Brain metastases - Symptoms and causes - Mayo Clinic
    The two main patterns of spread are parenchymal metastases and leptomeningeal metastases These patterns affect different parts of the brain and spinal cord and may require different approaches to diagnosis and treatment
  • Cancer Spread to Bones: Life Expectancy, Treatment, Types
    When a cancer spreads to the bones, it’s called bone metastasis It’s also called metastatic bone disease or secondary bone cancer, because the cancer didn’t start in the bones Bone
  • Metastasis | Causes, Symptoms Treatment | Britannica
    To metastasize, the tumour cells also must be able to penetrate the basement membrane of the vessel To do this, they forge a path through tissues using enzymes that digest the extracellular matrix The cell either synthesizes these enzymes or stimulates cells in the matrix to do so
  • Métastase (médecine) — Wikipédia
    Le phénomène de métastase est une série complexe d’étapes au cours desquelles des cellules cancéreuses quittent le site originel (tumeur primaire) et migrent vers d'autres parties du corps en utilisant le système lymphatique et ou le système sanguin
  • What Is Metastasis? - Verywell Health
    Metastasis occurs when cancer cells spread from the primary cancer site to other parts of the body, either regionally or through the bloodstream, lymphatic system, or airways The primary sites for cancer metastasis are the bones, lungs, liver, and brain





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