. Text-book of normal histology: including an account of the development of the tissues and of the organs. tubules pro-duce optical effects which are appreciated as a coarse striation con-centric with the outline of the pulp-cavity; these appearances, knownas Schragers lines, may be seen in sections with the unaided part of the dentinal matrix immediately surrounding the tubulesis especially dense and resistant, and constitutes the so-called den-tinal sheaths which may be isolated by acids. Within the tubuleslie the deHcate dentinal fibres, which are the modified processesof the conne
. Text-book of normal histology: including an account of the development of the tissues and of the organs. tubules pro-duce optical effects which are appreciated as a coarse striation con-centric with the outline of the pulp-cavity; these appearances, knownas Schragers lines, may be seen in sections with the unaided part of the dentinal matrix immediately surrounding the tubulesis especially dense and resistant, and constitutes the so-called den-tinal sheaths which may be isolated by acids. Within the tubuleslie the deHcate dentinal fibres, which are the modified processesof the connective-tissue cells forming the peripheral layer of pulp-cells. When cut across the tubules appear circular or slightly oval,and contain a minute dot, the dentinal fibre in transverse of uniformity in the calcification of the outer zone of dentinegives rise to the incremental lines of Salter. The interglobular spaces are irregular stellate intercommuni-cating clefts situated at the margin of the dentine, into which open onthe one hand a number of dentinal tubules and on the other hand the. Fig. 176.
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