Retraction
Retraction
Retraction (/rɪˈtrækʃən/ ri-TRAK-shən) is a term used in various fields of medicine, with different meanings depending on the context.
Etymology
The term "retraction" is derived from the Latin word "retractus", which means "drawn back".
In General Medicine
In general medicine, retraction refers to the inward movement of a part of the body, often due to muscle contraction. This can be seen in conditions such as pectus excavatum, where the chest appears sunken due to the inward pulling of the rib cage.
In Surgery
In surgery, a retraction is a procedure in which the surgeon uses a retractor to hold back the edges of a wound or incision, providing a clear view of the underlying tissues and organs.
In Pulmonology
In pulmonology, retraction refers to the inward movement of the chest wall during inhalation, which is often a sign of respiratory distress.
In Dentistry
In dentistry, retraction is the process of moving a tooth or teeth backwards to correct alignment or positioning issues.
Related Terms
- Retractor: A surgical instrument used to hold back the edges of a wound or incision.
- Pectus excavatum: A condition in which the chest appears sunken due to the inward pulling of the rib cage.
- Respiratory distress: A condition characterized by difficulty breathing, often accompanied by retractions.
External links
- Medical encyclopedia article on Retraction
- Wikipedia's article - Retraction
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