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Doctor insights on: Can You Tell Me The Function Of The Dorsal Root Of The Spinal Nerve

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Can you tell me the function of the dorsal root of the spinal nerve?

Can you tell me the function of the dorsal root of the spinal nerve?

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 more

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Nerve (Definition)

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


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What is the inflammation of the root of a spinal nerve?

What is the inflammation of the root of a spinal nerve?

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

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Can you tell me the function of the cauda equina?

Can you tell me the function of the cauda equina?

It is a descriptive: Term used to label the nerves emerging from the end of the spinal cord which usually ends at the L1 level in most adults in a region termed the conus. Cauda equina or " horse's tail" is the appearance of these nerves as they dangle from the conus or end of the spinal cord as they transverse and exit through the lumbar and sacral spine regions. ...Read more

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Can you have surgery on the sensory part of the radial nerve in the forearm? That is what the emg showed .

Can you have surgery on the sensory part of the radial nerve in the forearm? That is what the emg showed .

Yes you can. : It could be impingement of your radial, median or ulnar nerve or problem with the tendon that cause your symptoms. Take care! ...Read more

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What will happen if an injury cuts the dorsal root of a spinal nerve that carries feelings of pain?

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 more

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Can you tell me the function of the facet joints?

Can you tell me the function of the facet joints?

Stability & support: They help support the body, bearing about 20-25% of the load of standing and walking upright. They also guide and limit movement of the spine, preventing excessive movements and giving some protection to the disks. ...Read more

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Can you tell me where the nerve root exits the spinal canal?

Can you tell me where the nerve root exits the spinal canal?

Yes: Through small side openings on either side of the spinal canal called foramen--2 at every level of the spine--right and left. ...Read more

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What happens if the dorsal root of a spinal nerve is damaged?

What happens if the dorsal root of a spinal nerve is damaged?

It may create: Neuropathic pain as this is in the vicinity of the dorsal root ganglion and may affect that nerve's functional distribution as well depending on what type of overlap or cross innervation that may be in that individual. ...Read more

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Can the experts please talk about the nerves of the lumbar spine?

Can the experts please talk about the nerves of the lumbar spine?

Lumber nerves.: 5 sets of nerves ( one on each side, r & l) from each of the 5 lumber vertebral level. The lower ones, along with the upper sacral ones, combine to make the sciatic nerve. ...Read more

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Can you tell me the function of the facet joint at 5-1?

Can you tell me the function of the facet joint at 5-1?

Spine Joints: Facet joints are places on the spinal bones where two bones actually meet and articulate and limits extension and rotation of that spinal segment. You have facet joints at every level of your spine from your neck to your low back. Many times arthritis or inflammation can arise here and cause pain. ...Read more

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What kind of injury to the spinal cord prevents the use of the legs but not the arms?

What kind of injury to the spinal cord prevents the use of the legs but not the arms?

Spine injury level: Your spinal cord is made up of nerve tracts running up and down to and from your brain to the rest of your body. A spinal cord injury at the level of your mid back or lower will not affect the nerves to your arms, which have already left the cord and spinal canal. ...Read more

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Could you tell me the name of the procedure where the nerves near the spine are burned to control pain?

Could you tell me the name of the procedure where the nerves near the spine are burned to control pain?

RFA: Or radio frequency ablation. It is only for certain spine pains, so make sure it is correctly diagnosed with a diagnostic block at that area (medial branch block at that level). Its very safe and many people have benefits from 3-9 months with this procedure, with some only needing a single treatment. Hope that helps! ...Read more

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What does it mean to have inflammation of the root of a spinal nerve?

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 more

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What do swellings on the dorsal roots of the spinal nerves signify?

What do swellings on the dorsal roots of the spinal nerves signify?

Nerve cell bodies: The dorsal root ganglion (the enlargement) is the place in the nerve where the cell bodies of feeling nerves (sensory nerves) are located. ...Read more

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If ventral root of a spinal nerve were cut what will be the result in the tissure?

If ventral root of a spinal nerve were cut what will be the result in the tissure?

motor loss: The ventral root of the spinal nerve carries the motor fibers, where the dorsal root carries the sensory fibers. So if the ventral root of a nerve was cut, a motor loss would occur; i.e. Either severe weakness or paralysis in the involved muscle. Thank you. ...Read more

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If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?

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

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What are the symptoms of a dead nerve (pernament nerve damage) in the body?

What are the symptoms of a dead nerve (pernament nerve damage) in the body?

See details: It depends on the nerve involved. The symptoms may include numbness or weakness but your question needs to be more specific. ...Read more

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What is the name of the doctor who does surgery on peripheral nerves, not the spine?

What is the name of the doctor who does surgery on peripheral nerves, not the spine?

There are several...: Peripheral nerve surgery is done by several different specialties...Most commonly hand surgeons, plastic surgeons, neurosurgeons. Each subspeciality has specific areas of peripheral nerve specialization....In the end the only way to find out what a surgeon commonly operates on is to ask! ...Read more

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What's the inflammation of the root of a spinal nerve called?

What's the inflammation of the root of a spinal nerve called?

Radiculitis.: Radiculitis refers to inflammation of the nerve root. A more general term for any problem with spinal nerve roots (including compression) is radiculopathy. ...Read more