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Doctor insights on: What Would Happen If The Dorsal Root Was Cut

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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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What's the difference between a totally paralyzed person & someone with all dorsal roots & what's equivalent to DRG in the trigeminal area are cut off?

What's the difference between a totally paralyzed person & someone with all dorsal roots & what's equivalent to DRG in the trigeminal area are cut off?

Please explain: You have made several posts, all about more or less the same question, which is a very peculiar question. Is this a school project or what? A useful answer is more likely to be forthcoming if you level with us and explain why you're asking. ...Read more

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Do you lose vision & hearing if all dorsal roots & what's equivalent in the trigeminal area get cut off? (losing ability to feel any pain basically)

Do you lose vision & hearing if all dorsal roots & what's equivalent in the trigeminal area get cut off? (losing ability to feel any pain basically)

No: Is this just a theoretical question? Loss of the input from the dorsal root ganglia wouldn't just eliminate pain sensation, it would eliminate all tactile sensation: Fine touch, vibration, kinesthetic sense, temperature, light touch, crude touch...not a situation that's compatible with any kind of functional life. Control of muscles requires sensory feedback. ...Read more

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What happens if the dorsal root ganglion destroyed?

Severe numbness.: Injury to the dorsal root ganglion (ganglionopathy) usually results in severe numbness without much in the way of other symptoms. ...Read more

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What is meant by dorsal roots?

What is meant by dorsal roots?

Dorsal Roots: The dorsal roots are a portion of the spinal cord that accept sensory information that will travel up your spinal cord to be perceived in your brain. Receptors sense, and the brain perceives. The spinal cord is part of your central nervous system and carries afferent sensory information though the dorsal columns and dorsal roots and transmits afferent motor information to move your muscles front. ...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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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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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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