Drainage
Drainage
Drainage (/ˈdreɪ.nɪdʒ/), from the Old French drainage, is a medical term referring to the removal or diversion of fluids, often from a body cavity, wound, or other source of discharge, by natural or artificial means.
Etymology
The term drainage is derived from the Old French drainage, which means to draw off liquids. It was first used in the medical context in the late 19th century.
Medical Usage
In the medical field, drainage is often used to refer to the removal of excess fluid from the body, such as pus or blood, often to prevent or alleviate swelling or infection. This can be achieved through various methods, including surgical drainage, percutaneous drainage, and nasal drainage.
Surgical Drainage
Surgical drainage is a procedure where a surgeon creates an opening in the body to allow for the removal of fluid or gas. This is often done to alleviate pressure or to prevent the spread of infection.
Percutaneous Drainage
Percutaneous drainage is a minimally invasive procedure that uses a needle and a catheter to drain fluid. This procedure is often used to drain abscesses or collections of fluid in the body.
Nasal Drainage
Nasal drainage, also known as postnasal drip, is a common condition where the nasal mucosa produces excess mucus, which can then drain down the back of the throat.
Related Terms
- Abscess: A localized collection of pus in the tissues of the body, often causing swelling and inflammation.
- Catheter: A thin tube made from medical grade materials that can be inserted into a body cavity, duct, or vessel to allow for drainage or administration of fluids.
- Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body.
See Also
External links
- Medical encyclopedia article on Drainage
- Wikipedia's article - Drainage
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