Doctor insights on:
What Happens If The Dorsal Root Of A Spinal Nerve Is Damaged
The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more
What will happen if an injury cuts the dorsal root of a spinal nerve that carries feelings of pain?
Numbness: The dorsal (posterior, toward the back) root carries sensation nerve fibers: feeling of light touch, vibration, sense of position (movement or where the arm or leg or joint is), pain. However, there is much overlap between the area serves by a single nerve, so there may not be total loss of sensation, depending on how the person is "wired.". ...Read moreSee 1 more doctor answer
Lets you feel things: The nerve root has 2 "ganglions". The dorsal root is on the posterior side of the nerve (closer to your back) and carries the fibers that allow you to feel things in your extremities (for example: pain, temperature, vibration). The information is transmitted to your brain so you understand what type of sensation is being encountered by the extremity. ...Read moreSee 1 more doctor answer
A homework question?: You're 34 so I'm guessing it's not a homework question. I just did a web search using your question & got a great profusion of hits. Don't take offense, but HealthTap docs do this to apply medical reasoning to posters' questions, not so they can regurgitate facts that anyone, physician or nonphysician, can look up for themselves. ...Read more
see below: A spinal nerve (root) is a large nerve bundle that leaves the spine at regular intervals, right and left. Inflammation can occur anywhere in the body. Think of a bee sting, with pain, swelling and sensitivity. Inflammation of the nerve root, causes pain close to the spine, and along the route of the nerve. Epidural steroid injections are sometimes used to place anti-inflammatories into the spine. ...Read more
Problem xitng spine: Nerves branch off in bundles from the spinal cord & exit thru an opening between the vertebrae.This is the nerve root. The opening itself is subject to narrowing or irritation from arthritis or various illnesses as are the tissues nearby. Nerve bundles are surrounded bu flexable tissue that can be compressed by the swelling nearby and end up choking off some of the nerve activity. ...Read moreSee 1 more doctor answer
If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?
Atrophy or wasting.: When a muscle is denervated, it atrophies or 'shrivels up'. This is why patients who had polio have small paralyzed limbs in the effected distribution. ...Read more
Weakness or paralysi: The ventral root contains the motor fibers which control our muscles. Because muscles have multiple nerve roots innervating them the result may only be weakness in a particular group of muscles or could be paralysis if the particular nerve root is the dominant root. ...Read moreSee 1 more doctor answer
What specific imaging test takes pics of the nerves coming out of (exiting) the spinal cord? I believe their called spinal nerve roots, not sure.
MRI (best) or CT: An MRI of the spine is the most accurate imaging test to evaluate the spinal cord and the nerve roots exiting the spinal canal. This is most often done without an injection of contrast, however there may be an indication for you to receive an injection of contrast with the MRI. As a Neuroradiologist I often discuss with and advise the referring physician regarding the need for contrast. ...Read more
Every now and then i get this pain in my hips and my lower back both my parents think that I have a pinched spinal nerve it hurts when i breath deeply?
Doubtful: Though young patients may not have classic sciatica, or shooting pain in the leg past the knee from nerve pressure, your symptoms are not characteristic. Inspiratory pain suggests to me an intercostal or oblique muscle strain/tear. Back to hip pain could indicate a stress fracture (based on your age) that would be worse with leaning backward. "every now and then" isn't too worrisome. ...Read moreSee 1 more doctor answer
What tests are needed for spinal nerve root damage/injuries? Damage in neck affecting both hands/arms,but left more than rt.Is this a spinal cord inj?
Yes: Yes, it depends where the problem is, how long since the injury or disease process started and what is being tested on the NCS/EMG ...Read more
Destruction of the dorsal root of the spinal cord would result in loss of what types of sensations if any?
Motor: It affects motor function.Get a more detailed answer ›
Difficult to repair.: You don't state which drugs in particular caused the damage, or what the nature of the damage is. So because the question is so general, so must be the answer. In general nerve tissue does not regenerate or repair itself, except for limited nerve plasticity, mostly in children younger patients and there is no known medical intervention. If your issue is opiates, please see www.Opiatecure.Com. ...Read more
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