. On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. DENTAL TISSUES. 3C5 wards, from its circumference, a scries of vertical plates, wliicli divide into two once or twice before tliey terminate at the peri])licry of the tooth. Each of these diverging and dichotomising plates gives off throughout its course smaller processes, which stand at right 242. .Section of tootii of IJugong ; A, ] size; It, niagilifl(?Ll ; c/, dentil angles, or nearly so, to the main plate; they are generally oppo- site, but sometimes alternate; many of the secondary plates or processes, which
. On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. DENTAL TISSUES. 3C5 wards, from its circumference, a scries of vertical plates, wliicli divide into two once or twice before tliey terminate at the peri])licry of the tooth. Each of these diverging and dichotomising plates gives off throughout its course smaller processes, which stand at right 242. .Section of tootii of IJugong ; A, ] size; It, niagilifl(?Ll ; c/, dentil angles, or nearly so, to the main plate; they are generally oppo- site, but sometimes alternate; many of the secondary plates or processes, which are given off near the centre of the tooth, also divide into two before they terminate; and their contour is seen, in the transverse section, to jjartake of all the undulations of the folds of cement which invest and divide the dentinal plates and processes from each other. The dental pulp-cavity is reduced to a mere line about the upper third of the tooth, but throughout its whole extent fissures radiate from it, corresponding in numljcr with the radiating plates of dentine. Each fissure is continued along the middle of each plate, dividing where this divides, and extending along the middle of each bifurcation and process to within a short distance of the line of cement. The pulp-fissure commonly dilates into a canal. 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 Owen, Richard, 1804-1892; Cornell University. College of Veterinary Medicine. Flower-Sprecher Veterinary Library. fmo. London, Longmans, Green
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