Denervation
Denervation
Denervation (/diːnɜːrˈveɪʃən/) is a medical procedure that involves the removal or destruction of the nerve supply to a body part or organ.
Etymology
The term "denervation" is derived from the Latin words "de-" meaning "removal of" and "nervus" meaning "nerve".
Procedure
Denervation is typically performed to alleviate pain or to treat conditions such as hyperhidrosis (excessive sweating) and spasticity (muscle stiffness). The procedure can be performed surgically, chemically, or using thermal methods.
Types of Denervation
There are several types of denervation procedures, including:
- Sympathectomy: This involves the removal or destruction of specific parts of the sympathetic nervous system.
- Neurectomy: This procedure involves the removal of a portion of a nerve.
- Rhizotomy: This is a surgical procedure to sever nerve roots in the spinal cord.
Risks and Complications
Like any medical procedure, denervation carries some risks. These may include infection, bleeding, and adverse reactions to anesthesia. There may also be a risk of nerve damage, which could lead to numbness or weakness in the affected area.
Related Terms
- Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one part of the body to another.
- Nervous System: The complex network of nerves and cells that transmit signals between different parts of the body.
- Neurology: The branch of medicine dealing with disorders of the nervous system.
External links
- Medical encyclopedia article on Denervation
- Wikipedia's article - Denervation
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