CRiedinger_somatosensory_pathways

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Overview of the different somatosensory pathways (not complete!).

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CRiedinger_somatosensory_pathways

  1. 1. C. RiedingerOverview of Somatosensory Pathways 1* neurone 2* neurone 3* neurone pathway sensation cell body destination cell body decussation destination cell body destination spinal cord within a few thalamus thalamus dorsal root ipsilateral segments =spinothalamic pain and temperature spinal cord ventral post. ventral post. ganglion near level of IMMEDIATEL nucleus nucleus incoming nerve Y in spinal cord spinal cord brainstem thalamus as thalamus touch and dorsal root dorsal columndorsal column ipsilateral forming medial medial intralaminar somatosensory proprioception ganglion nuclei higher up lemniscus lemniscus nucleus cortex in post- brainstem brainstem thalamus thalamus central gyrus! pain and temperature, trigeminaltrigeminal I medulla brainstem medulla ventral post. ventral post. face ganglion oblongata oblongata nucleus nucleus pons (as thalamus thalamus trigeminaltrigeminal II touch, face pons brainstem trigemino- ventral post. ventral post. ganglion thalamic tract?) nucleus nucleus

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