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What is Substantia gelatinosa corresponds to and explain in detail?
The Rexed laminae comprise a system of ten layers of grey matter (I-X), identified in the early 1950s by Bror Rexed to label poions of the grey columns of the spinal cord NOTE: Lamina I: posteromarginal nucleus Lamina II: substantial gelatinosa of Rolando Laminae III and IV: nucleus proprius Lamina V& VI: base of the dorsal horn. Lamina VII: intermediomedial nucleus, intermediolateral nucleus, nucleus dorsalis Lamina VIII & IX: medial and lateral groups of nuclei of anterior grey column Lamina X: Central Zone, grey matter surrounding the central canal ref - vishram singh neuroanatomy 2e pg59