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STUDENTS HISTOLOGY 



FIG. 91. 



DIAGRAM OF THE STRUCTURE AND IMPLANTATION OF A NORMAL- 

 INCISOR TOOTH. (BODECKER.) 



L. Cuticle of enamel, Nasmyth's membrane. 



E. Enamel. 



D. Dentine with uniformly distributed canaliculi. 



I. Interzonal layer between enamel and dentine. 



B. Border-line between enamel and cementum of neck. 



S. Cementum of neck. 



Ce. Cementum of root. 



Z. Interzonal layer between dentine and cementum. 



P. Pericementum. 



A. Arteriole of pulp, branching into capillaries. 



V. Vein of pulp taking up capillaries. 



N. Medullated nerve-fibers of pulp. 



Eg. Stratified epithelium of gum. Pg. Papillary layer of gum. 



Pe. Periosteum. Co. Cortical bone of alveolus or socket. 



Ca. Cancellous bone-tissue of alveolus. M. Medullary spaces of cancellous bone. 



