The organized
network of
nerve tissue in the body. It includes the
central nervous system (the brain and spinal cord), the peripheral
nervous system (nerves that extend from the
spinal cord to the rest of the body), and other nerve tissue.
central nervous system (SEN-trul NER-vus SIS-tem)
The brain and spinal cord. Also called CNS.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)nerve (nerv)
A bundle of fibers that receives and sends messages between the body and the brain. The messages are sent by chemical and electrical changes in the cells that make up the nerves.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)nervous system (NER-vus SIS-tem)
The organized network of nerve tissue in the body. It includes the central nervous system (the brain and spinal cord), the peripheral nervous system (nerves that extend from the spinal cord to the rest of the body), and other nerve tissue.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)Network
A group of physicians, specialists, hospitals, outpatient centers, pharmacies, and other providers who has signed a contract with an insurance company to provide healthcare services to their subscribers.
(http://www.cancer.gov/dictionary)spinal cord (SPY-nul kord)
A column of nerve tissue that runs from the base of the skull down the back. It is surrounded by three protective membranes, and is enclosed within the vertebrae (back bones). The spinal cord and the brain make up the central nervous system, and spinal cord nerves carry most messages between the brain and the rest of the body.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)tissue (TIH-shoo)
A group or layer of cells that work together to perform a specific function.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)
