PATHOLOGY

Detailed explanation-1: -one of the divisions of the grey matter of the spinal cord, the posterior horn contains interneurons that make connections within the spinal cord as well as neurons that enter ascending sensory pathways. It contains the substantia gelatinosa.

Detailed explanation-2: -The gray matter mainly contains the cell bodies of neurons and glia and is divided into four main columns: dorsal horn, intermediate column, lateral horn and ventral horn column.

Detailed explanation-3: -Spinal gray matter is butterfly-shaped. It extends from the ependymal cells lining the central canal to the surrounding white matter. Spinal gray matter is divided bilaterally into dorsal horn, intermediate substance, and ventral horn. At thoracolumbar levels, intermediate substance features a lateral horn.