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A thin transverse section of half the spinal cord magnified about 10 diameters. Labels: 1, anterior fissure; 2, posterior fissure; 3, central canal ;8, pia mater enveloping the cord; 6,7, bands of pia mater penetrating the cord and supporting its nerve elements; 9, a posterior root; 10, bundles of an anterior root; a,b,c,d,e, groups of nerve cells in the gray matter.

Spinal Cord Section

A thin transverse section of half the spinal cord magnified about 10 diameters. Labels: 1, anterior…

Peripheral part of transverse section of spinal cord, showing nerve fibers subdivided into groups by ingrowth of subpial layer of neuroglia.

Transverse Section of Spinal Cord

Peripheral part of transverse section of spinal cord, showing nerve fibers subdivided into groups by…