Invasion
Invasion (medical term)
Invasion (pronounced: in-vey-zhuhn) is a term used in medicine to describe the spread of disease or cancer into surrounding tissues.
Etymology
The term 'invasion' originates from the Latin word 'invasio', meaning 'an attack'. In the medical context, it refers to the 'attack' or spread of disease or cancer cells into healthy tissues.
Definition
Invasion in medicine refers to the process where pathogens or cancer cells penetrate and spread into healthy tissues. This process is a key characteristic of malignant diseases, which have the ability to invade adjacent tissues and spread to other parts of the body, a process known as metastasis.
Related Terms
- Metastasis: The spread of cancer cells from the place where they first formed to another part of the body.
- Pathogen: A bacterium, virus, or other microorganism that can cause disease.
- Malignant: In medicine, describes a condition that is severe and worsening rapidly.
- Cancer: A group of diseases characterized by the uncontrolled growth and spread of abnormal cells.
- Disease: A particular abnormal condition that negatively affects the structure or function of all or part of an organism.
See Also
External links
- Medical encyclopedia article on Invasion
- Wikipedia's article - Invasion
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