. Elements of histology. Histology. Chap. XVI.] The Spinal Cord. 129 differs in the different regions, and this difference is chiefly brought about by the length and thickness of the grey commissure. In a section through the cervical region the grey commissure is thick and short; in the dorsal region it becomes thinner and. Fig. 82.—Transverse Section through the Spinal Cord of Calf. a, Pia mater; 5, prolongation of pia mater into the anterior longitudinal fissure ; c posterior longitudinal fissure; d, anterior column of white matter ; e, lateral column of same; /, posterior column of same; g,
. Elements of histology. Histology. Chap. XVI.] The Spinal Cord. 129 differs in the different regions, and this difference is chiefly brought about by the length and thickness of the grey commissure. In a section through the cervical region the grey commissure is thick and short; in the dorsal region it becomes thinner and. Fig. 82.—Transverse Section through the Spinal Cord of Calf. a, Pia mater; 5, prolongation of pia mater into the anterior longitudinal fissure ; c posterior longitudinal fissure; d, anterior column of white matter ; e, lateral column of same; /, posterior column of same; g, anterior white commissure; h, central canal; *, anterior horn of grey matter ; j, posterior horn of grey matter; k, anterior nerve roots; I, posterior nerve roots. longer ; and in the lumbar region it is comparatively very thin and long. Besides this, of course the relative proportions of grey and white matter, as mentioned before, indicate the region from which the particular part of the cord has been obtained. In the lower J. 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 Klein, E. (Edward), 1844-1925. Philadelphia : H. C. Lea's Son
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