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  2. Spinothalamic tract - Wikipedia

    en.wikipedia.org/wiki/Spinothalamic_tract

    The spinothalamic tract is a nerve tract in the anterolateral system in the spinal cord. [1] This tract is an ascending sensory pathway to the thalamus.From the ventral posterolateral nucleus in the thalamus, sensory information is relayed upward to the somatosensory cortex of the postcentral gyrus.

  3. Group C nerve fiber - Wikipedia

    en.wikipedia.org/wiki/Group_C_nerve_fiber

    The second-order neurons ascend to the brain stem and thalamus in the ventrolateral, or anterolateral, quadrant of the contralateral half of the spinal cord, forming the spinothalamic tract. [1] The spinothalamic tract is the main pathway associated with pain and temperature perception, which immediately crosses the spinal cord laterally. [1]

  4. Topographic map (neuroanatomy) - Wikipedia

    en.wikipedia.org/wiki/Topographic_map_(neuroanatomy)

    The cutaneous receptors of the skin project in an orderly fashion to the spinal cord, and from there, via different afferent pathways (dorsal column-medial lemniscus tract and spinothalamic tract), to the ventral posterior nucleus of the thalamus and the primary somatosensory cortex. Again, adjacent areas on the skin are represented by adjacent ...

  5. Thalamus - Wikipedia

    en.wikipedia.org/wiki/Thalamus

    The spinothalamic tract is a sensory pathway originating in the spinal cord. It transmits information to the thalamus about pain, temperature, itch and crude touch . There are two main parts: the lateral spinothalamic tract , which transmits pain and temperature, and the anterior (or ventral) spinothalamic tract , which transmits crude touch ...

  6. Intralaminar thalamic nuclei - Wikipedia

    en.wikipedia.org/wiki/Intralaminar_thalamic_nuclei

    Midline intralaminar nuclei receive afferents from the brain stem, spinal cord, and cerebellum. Connections with the cerebral cortex and basal nuclei are reciprocal. Afferents from the spinothalamic tract as well as periaqueductal gray are part of a pathway involved in pain processing. [3]

  7. Trigeminal nerve - Wikipedia

    en.wikipedia.org/wiki/Trigeminal_nerve

    This is explained by the anatomy of the brainstem. In the medulla, the ascending spinothalamic tract (which carries pain-temperature information from the opposite side of the body) is adjacent to the ascending spinal tract of the trigeminal nerve (which carries pain-temperature information from the same side of the face). A stroke which cuts ...

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  9. Brainstem - Wikipedia

    en.wikipedia.org/wiki/Brainstem

    The facial sensations have similar pathways and will travel in the spinothalamic tract and the DCML. Descending tracts are the axons of upper motor neurons destined to synapse on lower motor neurons in the ventral horn and posterior horn. In addition, there are upper motor neurons that originate in the brainstem's vestibular, red, tectal, and ...