External
External refers to something that is located, situated or happens outside or is connected with what is outside. In medicine, the term is often used to describe symptoms, conditions, or parts of the body that are visible and can be examined without surgery or other invasive procedures.
Definition[edit | edit source]
The term "external" is derived from the Latin word "externus," which means "outward" or "outside." In the medical context, it is used to describe anything that is on or relates to the outside of the body. This can include symptoms that are visible to the naked eye, such as a rash or a wound, or parts of the body that can be examined without the need for invasive procedures, such as the skin or the eyes.
Usage in Medicine[edit | edit source]
In medicine, "external" is often used in contrast to "internal." While internal symptoms or conditions require special tools or procedures to diagnose and treat, external ones can often be identified and addressed with a simple visual examination. For example, a doctor might refer to an "external injury" to describe a cut or bruise that is visible on the skin.
The term can also be used to describe treatments or procedures that are applied to the outside of the body. For example, "external radiation" is a type of cancer treatment that uses a machine to direct high-energy rays at the cancer from outside the body.
Related Terms[edit | edit source]
- External examination: A type of autopsy that involves only a visual examination of the outside of the body.
- External fixation: A surgical treatment used to stabilize bone and soft tissues at a distance from the operative or injury focus.
- External beam radiation therapy: A type of cancer treatment that uses a machine to direct high-energy rays at the cancer from outside the body.
See Also[edit | edit source]
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