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
Answer is C. 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.