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Spinal Cord Patient Transection

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If a patients suffers a complete transection at T12 of the spine what would be the resulting effect on their arms and legs?

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https://brainmass.com/biology/human-biology/spinal-cord-patient-transection-71932

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Hi

Please see the attached documents for your response and a few related papers.

Hi

The thoracic region is the central segment of the vertebral column (see attached pdf document 275). It extends downwards from the lower neck (cervical) region to the upper lumbar area of the lower back. The thoracic vertebrae are numbered from T1 to T12, starting at the uppermost vertebra. The ribs attach to the thoracic vertebrae 1-10, with 11 and 12 unattached to any ribs.

Spinal Cord

(From http://health.enotes.com/neurological-disorders-encyclopedia/spinal-cord-injury)
"The spinal nerve cord descends from the brain down the back through hollow channels of the backbone. The neurons (nerve cells) of the spinal cord carry sensory data from the periphery (areas outside the spinal cord) to the brain, and they carry motor ...

Solution Summary

The resulting effects on the arms and legs from a spinal cord injury is determined. The complete transections at T12 of the spine are discussed.

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See Also This Related BrainMass Solution

Spinal Cord Injury and Sensory Information Processing

This question has three small parts - I have answered (a) okay I think, but am really stuck on (b) and (c). Please help:

"Patient A has a tumour located on the thoracic spinal cord at the level of T3 and shows differences in the way sensory information in his legs and lower trunk is processed. This mainly involves alterations in the sensation of pain and temperature on the right side and in the sensation of touch on the left side".

(a) Is the lesion provoked by the tumour in the thoracic spinal cord partial or complete?

I have said that Patient A's symptoms suggest thoracic paraplegia & partial transection of the spinal cord, as the legs and lower trunk are primarily affected and as sensations below the tumor area are not completely lost.

(b) Would patient A's knee-jerk reflex be affected?

(c) Would patient A be able to reach for a cup of coffee?

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