Marginal nucleus of spinal cord
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Medulla spinalis (Rexed lamina I labeled at upper left.)
|Latin||Nucleus marginalis medullae spinalis, lamina spinalis I|
|Anatomical terms of neuroanatomy|
The marginal nucleus of spinal cord, or posteromarginal nucleus, or Substantia Marginalis, Rexed lamina I, is located at the most dorsal aspect of the dorsal horn of the spinal cord. The neurons located here receive input primarily from Lissauer's tract and relay information related to pain and temperature sensation. Pain sensation relayed here cannot be modulated, e.g. pain from burning the skin.
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