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Anatomy Neuroanatomy 5ad1a1e2

Left spinal leminiscus contains which fibers?

A
Left sided pain, touch, temperature
B
Left sided position, vibration sense
C
Right sided pain, touch, temperature
D
Right sided position, vibration sense
High-Yield Explanation
Ans. C Right sided pain, touch, temperatureRef: Grays, 41 ed. pg. 299, 309* First order neuron carrying pain, touch, temperature enter the spinal cord, relay in same side.* Second order neurons cross over to other side and travel up in anterior and lateral spino-thalamic tract and enter the medulla.* Same Fibers are now known as spinal lemniscus and they relay at thalamus. So spinal lemniscus on the left contain pain touch temperature from right side of the body.

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