. Embryology. Embryology; Embryology; genealogy. CENTRAL CANAL WHITE MATTER MOTOR AREA. DORSAL HORN GRAY MATTER EPENDYMAL LAYER CENTRAL CANAL WHITE MATTER ENTRAL HORN Fig. 95. Differentiation within the spinal cord. Top: An early stage, with a large central canal lined by an ependymal layer. Neuro- blasts are concentrated in an outer layer, while the white matter is at the periphery of the cord. The re- gion of crossing of nerve fibers is termed the anterior commissure. Colter: The central canal and epen- dymal layer are relatively smaller, and a large area of nerve cells sur- rounds the epend
. Embryology. Embryology; Embryology; genealogy. CENTRAL CANAL WHITE MATTER MOTOR AREA. DORSAL HORN GRAY MATTER EPENDYMAL LAYER CENTRAL CANAL WHITE MATTER ENTRAL HORN Fig. 95. Differentiation within the spinal cord. Top: An early stage, with a large central canal lined by an ependymal layer. Neuro- blasts are concentrated in an outer layer, while the white matter is at the periphery of the cord. The re- gion of crossing of nerve fibers is termed the anterior commissure. Colter: The central canal and epen- dymal layer are relatively smaller, and a large area of nerve cells sur- rounds the ependymal layer. The motor region of the cord becomes sharply delimited. Bottom: General structure of the fully differentiated nerve cord. The ventral horn cor- responds to the motor area previ- ously Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Barth, Lester G. (Lester George), 1905-1979. New York, Dryden Press
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