Nerve
hideA nerve is an enclosed, cable-like bundle of peripheral axons (the long, slender projections of neurons). A nerve provides a common pathway for the electrochemical nerve impulses that are transmitted along each of the axons. Nerves are found only in the peripheral nervous system. In the central nervous system, the analogous structures are known as tracts. Neurons are sometimes called nerve cells, though this term is technically inaccurate since many neurons do not form nerves, and nerves also include non-neuronal Schwann cells that coat the axons in myelin.
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News tagged with nerve
Tiny molecule slows progression of Lou Gehrig's disease in mice
Dec 10, 2009 |
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Researchers at UT Southwestern Medical Center have found that a molecule produced naturally by muscles in response to nerve damage can reduce symptoms and prolong life in a mouse model of amyotrophic lateral sclerosis (ALS). ...
Finding the Achilles' heel of cancer
Dec 10, 2009 |
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A never-approved drug developed to prevent the death of nerve cells after a stroke can efficiently kill cancer cells while keeping normal cells healthy and intact, an international team led by a Tel Aviv University ...
New clues emerge for understanding morphine addiction
Dec 09, 2009 |
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Scientists are adding additional brush strokes to the revolutionary new image now emerging for star-shaped cells called astrocytes in the brain and spinal cord. Their report, which suggests a key role for ...
Coaxing injured nerve fibers to regenerate by disabling 'brakes' in the system
Medicine & Health / Neuroscience
Dec 09, 2009 |
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Brain and spinal-cord injuries typically leave people with permanent impairment because the injured nerve fibers (axons) cannot regrow. A study from Children's Hospital Boston, published in the December 10 ...
Researchers finds hidden sensory system in the skin
Dec 08, 2009 |
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Researchers report that the human body has an entirely unique and separate sensory system aside from the nerves that give most of us the ability to touch and feel. Surprisingly, this sensory network is located throughout ...
Researchers show brain waves can 'write' on a computer in early tests
Dec 07, 2009 |
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Neuroscientists at the Mayo Clinic campus in Jacksonville, Fla., have demonstrated how brain waves can be used to type alphanumerical characters on a computer screen. By merely focusing on the "q" in a matrix of letters, ...
Diffusion tensor imaging increases ability to remove benign tumors in children
Medicine & Health / Neuroscience
Dec 04, 2009 |
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A new study published this week in the Journal of Neurosurgery: Pediatrics finds that operative plans for removing Juvenile Pilocytic Astrocytoma, or JPA, tumors in the thalamus of the brain can be augmented with Diffusion Tensor ...
Chicken pox vaccine reduces shingles risk in kids -- study of 172,000 kids used EHRs
Dec 04, 2009 |
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Herpes zoster, also known as shingles, is very rare among children who have been vaccinated against chicken pox, according to a Kaiser Permanente study in the December issue of the Pediatric Infectious Diseases Journal.
Lifelong memories linked to stable nerve connections
Medicine & Health / Neuroscience
Dec 03, 2009 |
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Our ability to learn new information and adapt to changes in our daily environment, as well as to retain lifelong memories, appears to lie in the minute junctions where nerve cells communicate, according to ...
Green tea chemical combined with another may hold promise for treatment of brain disorders
Dec 03, 2009 |
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Scientists at Boston Biomedical Research Institute (BBRI) and the University of Pennsylvania have found that combining two chemicals, one of which is the green tea component EGCG, can prevent and destroy a variety of protein ...
Apathy common in dementia patients with brain changes
Medicine & Health / Psychology & Psychiatry
Dec 02, 2009 |
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Dementia patients with a certain type of changes in their brain's white matter are more likely to be apathetic than those who do not have these changes, reveals a patient study carried out by the Sahlgrenska Academy and Sahlgrenska ...
Nervy research: Researchers take initial look at ion channels in a model system
Dec 02, 2009 |
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Before one of your muscles can twitch, before the thought telling it to flex can race down your nerve, a tiny floodgate of sorts -- called an ion channel -- must open in the surface of each cell in these organs ...
Outpatient disc treatment gives long-term back pain relief
Dec 02, 2009 |
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A randomized, controlled study comparing standard conservative therapy to a minimally invasive treatment called percutaneous disc decompression for painful herniated disc revealed that while both treatments help patients ...
Mathematical model of a simple circuit in a chicken brain raises fundamental questions
Dec 01, 2009 |
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(PhysOrg.com) -- The Web site Neuroanthropology asks visitors to complete this quote, "One of the difficulties in understanding the brain is ...". In addition to the typical facetious remarks, such as "so ...
New source discovered for the generation of nerve cells in the brain
Medicine & Health / Neuroscience
Dec 01, 2009 |
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The research group of Professor Magdalena Gotz of Helmholtz Zentrum Munchen and Ludwig-Maximilians-Universitat Munich (Germany) has made a significant advance in understanding regeneration processes in the brain. The researchers ...
