"Diagram of a cross-section of the spinal cord through the roots of spinal nerves. c, central canal; d.f., dorsal fissure; d.r., dorsal root of spinal nerve arising from the dorsal horn of the gray matter (g); gn., ganglion on the dorsal root; n, spinal nerve; v.f., ventral fissure; v.r., ventral root of the spinal nerve, arising from the ventral horn of the gray matter; w., white matter." -Galloway, 1915

Spinal Cord

"Diagram of a cross-section of the spinal cord through the roots of spinal nerves. c, central canal;…

"Diagrammatic section of spinal cord. p.f., Posterior fissure; p.c., posterior column of white matter; d.p.s., dorsal, posterior, sensory or afferent root; g., ganglion; v.a.m., ventral, anterior, motor or efferent root; c.n., compound spinal nerve with branches; s.g., sympathetic ganglion; a.c., anterior column--the anterior fissure is exaggerated; g.c., ganglion cells; g.m., grey matter; w.m., white matter." -Thomson, 1916

Vertebrate Spinal Cord

"Diagrammatic section of spinal cord. p.f., Posterior fissure; p.c., posterior column of white matter;…