Sentences with phrase «nerve fibers in the body»

The ends of the longest nerve fibers in the body are usually the first to suffer, according to the American Academy of Neurology.

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The center of the cord is gray matter — essentially an extension of the brain, like a tail — that is sheathed in fibrous white matter, with long, thin nerve fibers called axons shooting out at intervals to wire every part of the body.
Thermoreceptors are the nerve fibers in your skin that let you know if, say, a body part is on fire, or if that stovetop you're touching is still warm.
«The cornea is the most densely innervated tissue in the body, so corneal nerve assessment is extremely sensitive for detecting small sensory nerve fiber damage as compared to other tests including measurement of intra-epidermal nerve fibers in the skin,» notes lead investigator Joseph L. Mankowski, DVM, PhD, who is Professor of Molecular and Comparative Pathobiology, Pathology, and Neurology at the Johns Hopkins University School of Medicine, Baltimore, MD..
Balance impairment is one of the most common and disabling symptoms of MS, a disease of the central nervous system in which the body's immune system attacks the protective sheath around nerve fibers.
Just a day after fertilization, embryonic brains begin sending signals to far - off places in the body, helping oversee the layout of complex patterns of muscles and nerve fibers.
The sensors, which the researchers have already shrunk to a 1 millimeter cube — about the size of a large grain of sand — contain a piezoelectric crystal that converts ultrasound vibrations from outside the body into electricity to power a tiny, on - board transistor that is in contact with a nerve or muscle fiber.
Neuroscientists think that misplaced sensations, called referred pains, arise when sensory fibers from different parts of the body connect to the same nerve cells in the spinal cord or brain stem, confusing your brain about which part of your body the message came from.
When the NGF - rich solution was withdrawn from that side chamber, the nerve fibers that had extended into it began to degenerate, even though the neuronal cell bodies in the central NGF - containing chamber persisted in good condition.
The microglia then «summon» peripheral immune cells from other parts of the body, and these cells proceed to attack the protective myelin sheaths that surround the axons — or nerve fibersin the brain.
The left hemisphere controls the majority of functions on the right side of the body, while the right hemisphere controls most of functions on the left side of the body The crossing of nerve fibers takes place in the brain stem.
Figure 2: Nerve cell bodies and fibers labeled with rabbit anti-PGP + donkey anti-rabbit-Cy3 (711-225-152 green), vascular basement membranes labeled with collagen IV + donkey anti-mouse-Cy2 (715-225-150 red) and DAPI - labeled DNA (blue) in jejunum submucosal ganglion.
V2a interneurons are, in fact, some of the longest cells in the body, able to extend their axon — the nerve fibers that transmit electrical impulses — across several vertebrae.
In MS, the body's immune system assaults myelin — the protective coating that insulates the nerves of the central nervous system — and nerve fibers themselves.
In addition to slowing down the metabolism, organophosphates «can seriously impair a person's ability to exercise, permanently damaging nerves, destroying muscle fiber, reducing the body's ability to fuel exercise, and even reduce a persons desire to exercise,» adds Dr. Baillie - Hamilton.
The laxity of ligaments causes an instability, which stimulates proprioceptive nerve fibers and can lead to chronic muscle spasm in the body's attempt to stabilize the
No one knows what causes multiple sclerosis, in which the body's immune system attacks the protective myelin sheath surrounding nerve fibers in the brain and spine.
Once the virus enters the cat's body, it replicates in the cells of the muscles and then spreads to the closest nerve fibers, including all peripheral, sensory and motor nerves, traveling from there to the CNS via fluid within the nerves.
When an injury is inflicted to the spinal cord or its vertebrae, the nerve fibers in the spinal cord are damaged, leaving the brain unable to send the right messages to other parts of the body.
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