. The elasmobranch fishes. Chondrichthyes. 34 THE ELASMOBRANCH FISHES Marker! (1896) says that in the formation of this secondary dentine certain long fibers {fs., fig. 37a) grow down in a sheath posterior to the core of carti- lage (ct.). These fibers penetrate deeply and near the base spread out, curve forward, and fuse anteriorly into a closed ring. Now this posterior sheath of fibers runs through the odontoblasts in such a way as to leave some of them in. 0 ^s. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - color
. The elasmobranch fishes. Chondrichthyes. 34 THE ELASMOBRANCH FISHES Marker! (1896) says that in the formation of this secondary dentine certain long fibers {fs., fig. 37a) grow down in a sheath posterior to the core of carti- lage (ct.). These fibers penetrate deeply and near the base spread out, curve forward, and fuse anteriorly into a closed ring. Now this posterior sheath of fibers runs through the odontoblasts in such a way as to leave some of them in. 0 ^s. 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 Daniel, J. Frank (John Franklin), 1873-1942. Berkeley,Calif. , University of California press
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