1. Compare the anatomy of the dorsal column system and the anterolateral system and the way...

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Medical Sciences

1. Compare the anatomy of the dorsal column system and theanterolateral system and the way that information in each systemreaches the cortex. What types of sensation does each carry? Whereare the primary afferent neurons located? Where are the tracts andwhat are they called? Where are the synapses? In what area ofcortex do the projections terminate? Are they crossed oruncrossed?
2. somatic motor column, and describe the nuclei found in thatcolumn. Specify the cranial nerves that they are connected to, thenames and locations of the nuclei within the brainstem, and thefunction of the nuclei.
3. describe its organization the organization of the olfactorysystem. What are the receptors? What nerve or nerves carryinformation to the CNS and where does it (or they) terminate? Whatareas of the thalamus and cortex are involved?

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1 Anatomy of Dorsal column system Dorsal column system carry all sensory information of whole body through the sensory nerve fibre The sensory nerve fibre enters in the spinal cord through dorsal roots of the spinal column The first order neuron from the dorsal root ganglion projects into the fasciculus gracilismedial portion of spinal cord that carry information from the lower portion of the body and into the fasciculus cuneatus that carry information from the upper part of the body From this area the neurons are project directly into the caudal medulla before medulla region this dorsal column system doesnt cross the midline of the spinal cord to the opposite side The projection from the spinal cord synapes in the nucleus cuneatus See Answer

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