. The elements of embryology . Embryology. VIII.] THE GREY MATTEB. 253 sequent stages, and extends so as gradually to cover the whole cord (Fig. 83). Fig. Section through the Spinal Cord of a Seven Days' Chick. pow. dorsal white column, tew. lateral white oolumrii. acw. ven- tral white column, c. dorsal tissue filling up the part where the dorsal fissure will be formed, pa. dorsal grey cornu. ac. anterior grey cornu. ep. epithelial cells, age. anterior commissure, pf. dorsal part of spinal canal, spc. ventral part of spinal canal, af. anterior fissure. The grey matter and the central epit
. The elements of embryology . Embryology. VIII.] THE GREY MATTEB. 253 sequent stages, and extends so as gradually to cover the whole cord (Fig. 83). Fig. Section through the Spinal Cord of a Seven Days' Chick. pow. dorsal white column, tew. lateral white oolumrii. acw. ven- tral white column, c. dorsal tissue filling up the part where the dorsal fissure will be formed, pa. dorsal grey cornu. ac. anterior grey cornu. ep. epithelial cells, age. anterior commissure, pf. dorsal part of spinal canal, spc. ventral part of spinal canal, af. anterior fissure. The grey matter and the central epithelium are formed by a differentiation of the main mass of the walls of the medullary canal. The outer cells lose their. 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 Foster, M. (Michael), Sir, 1836-1907; Balfour, Francis M. (Francis Maitland), 1851-1882; Sedgwick, Adam, 1854-1913; Heape, Walter, 1855-1929. London ; New York : Macmillan
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Keywords: ., bookcentury1800, bookdecade1880, bookpubli, booksubjectembryology
