Accessory
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Accessory (əkˈsesəri)
The term Accessory in the medical field refers to an additional part, organ, or structure that is not typically essential to the functioning of the main part, but contributes to it in some way.
Etymology
The term originates from the Latin word "accessorius" which means "additional". In the medical context, it was first used in the 17th century.
Related Terms
- Accessory muscle: An additional muscle that is not typically present but may develop due to certain conditions or genetic variations.
- Accessory nerve: Also known as the eleventh cranial nerve, it is responsible for controlling the sternocleidomastoid and trapezius muscles.
- Accessory organ: An organ that aids the functioning of the main organ but is not essential for its operation.
- Accessory pathway: An additional conduction pathway in the heart that can lead to arrhythmias.
See Also
External links
- Medical encyclopedia article on Accessory
- Wikipedia's article - Accessory
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