News tagged with nerve axons

New procedure repairs severed nerves in minutes, restoring limb use in days or weeks

American scientists believe a new procedure to repair severed nerves could result in patients recovering in days or weeks, rather than months or years. The team used a cellular mechanism similar to that used by many invertebrates ...

Medicine & Health / Neuroscience

created Feb 03, 2012 | popularity 4.8 / 5 (19) | comments 8 | with audio podcast

Scientists succeed in making the spinal cord transparent

(Medical Xpress) -- In the event of the spinal cord injury, the long nerve cell filaments, the axons, may become severed. For quite some time now, scientists have been investigating whether these axons can ...

Medicine & Health / Research

created Dec 26, 2011 | popularity 4.8 / 5 (14) | comments 6 | with audio podcast

High levels of tau protein linked to poor recovery after brain injury

High levels of tau protein in fluid bathing the brain are linked to poor recovery after head trauma, according to a study from Washington University School of Medicine in St. Louis and the Fondazione IRCCS ...

Medicine & Health / Neuroscience

created Dec 13, 2011 | popularity not rated yet | comments 0 | with audio podcast

A whole new meaning for thinking on your feet

Smithsonian researchers report that the brains of tiny spiders are so large that they fill their body cavities and overflow into their legs. As part of ongoing research to understand how miniaturization affects ...

Biology / Plants & Animals

created Dec 12, 2011 | popularity 4.9 / 5 (9) | comments 3 | with audio podcast

In reversing motor nerve damage, time is of the essence

When a motor nerve is severely damaged, people rarely recover full muscle strength and function. Neuroscientists from Children's Hospital Boston, combining patient data with observations in a mouse model, now show why. It's ...

Medicine & Health / Research

created Oct 03, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Mice stem cells guided into myelinating cells by the trillions

Scientists at Case Western Reserve University School of Medicine found a way to rapidly produce pure populations of cells that grow into the protective myelin coating on nerves in mice. Their process opens a door to research ...

Medicine & Health / Research

created Sep 25, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Researchers identify signals triggering dendrite growth

A study in worms that are less than a millimetre long has yielded clues that may be important for understanding how nerves grow.

Biology / Other

created Sep 20, 2011 | popularity 5 / 5 (1) | comments 0

Scientists reveal new survival mechanism for neurons

(Medical Xpress) -- Nerve cells that regulate everything from heart muscle to salivary glands send out projections known as axons to their targets. By way of these axonal processes, neurons control target function and receive ...

Medicine & Health / Research

created Aug 30, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Brain electrical activity spurs insulation of brain's wiring

(Medical Xpress) -- Researchers at the National Institutes of Health have discovered in mice a molecular trigger that initiates myelination, the process by which brain cell networks are reinforced with an ...

Medicine & Health / Research

created Aug 11, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Fast prediction of axon behavior

Researchers at Case Western Reserve University have developed a computer modeling method to accurately predict how a peripheral nerve axon responds to electrical stimuli, slashing the complex work from an inhibitory weeks-long ...

Medicine & Health / Neuroscience

created Jul 20, 2011 | popularity not rated yet | comments 0 | with audio podcast

Scientists reveal nerve cells' navigation system

Johns Hopkins scientists have discovered how two closely related proteins guide projections from nerve cells with exquisite accuracy, alternately attracting and repelling these axons as they navigate the most miniscule and ...

Medicine & Health / Neuroscience

created May 09, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Rewrite the textbooks: Findings challenge conventional wisdom of how neurons operate

(PhysOrg.com) -- Neurons are complicated, but the basic functional concept is that synapses transmit electrical signals to the dendrites and cell body (input), and axons carry signals away (output). In one ...

Medicine & Health / Neuroscience

created Feb 17, 2011 | popularity 4.9 / 5 (51) | comments 15 | with audio podcast

Membrane molecule keeps nerve impulses hopping

New research from the University of North Carolina at Chapel Hill School of Medicine describes a key molecular mechanism in nerve fibers that ensures the rapid conductance of nervous system impulses. The findings ...

Medicine & Health / Neuroscience

created Jan 26, 2011 | popularity 5 / 5 (1) | comments 0

Microchip technology rapidly identifies compounds for regrowing nerves in live animals

(PhysOrg.com) -- Scientists have long sought the ability to regenerate nerve cells, or neurons, which could offer a new way to treat spinal-cord damage as well as neurological diseases such as Alzheimer's ...

Chemistry / Analytical Chemistry

created Oct 11, 2010 | popularity 5 / 5 (8) | comments 0 | with audio podcast

How injured nerves grow themselves back

Unlike nerves of the spinal cord, the peripheral nerves that connect our limbs and organs to the central nervous system have an astonishing ability to regenerate themselves after injury. Now, a new report in the October 1st ...

Medicine & Health / Research

created Sep 27, 2010 | popularity 4.8 / 5 (10) | comments 2 | with audio podcast