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What is Internal arcuate fibers of medulla comes from ? and explain in detail?
Ans. is 'd' i.e., Nucleus gracilis & cuneatusThe nucleus gracilis and cuneatus give rise to the internal arcuate fibres.The fibres cross to the opposite side where they form a paramedian band of fibres, called the medial lemniscus. In the lemniscus, the body is represented with the head posteriorly and the feet anteriorly.