. Elements of histology. Histology. Teeth. ^11 220. The €l«'iitiii«» is tlic principal part of the hard substances of the tooth, it forms a coniph^te invest- ment of tlie pnl[) cavity of the crown and fang, being sUghtly thicker in the former than in the latter region. The den- tine is composed of (Fig. 181): (l)a homogeneous matrix ; this is a re- ticular tissue of fine tibrils impregnated with lime salts, and thus re- sembling the matrix of bone; (2) long fine canals, the dentinal canals or tithes, passing in a more or less spiral manner, and vertically from the inner to the outer surface of
. Elements of histology. Histology. Teeth. ^11 220. The €l«'iitiii«» is tlic principal part of the hard substances of the tooth, it forms a coniph^te invest- ment of tlie pnl[) cavity of the crown and fang, being sUghtly thicker in the former than in the latter region. The den- tine is composed of (Fig. 181): (l)a homogeneous matrix ; this is a re- ticular tissue of fine tibrils impregnated with lime salts, and thus re- sembling the matrix of bone; (2) long fine canals, the dentinal canals or tithes, passing in a more or less spiral manner, and vertically from the inner to the outer surface of the dentine. These tubes are branched; they open in the pulp cavity with their broadest part, and become smaller as they approach the outer surface of the dentine. Each canal is lined with a delicate sheath—the Fig. ISl.—From a Section through a 7 ,• 7 7 ,7 T •! Canine Tooth of Man. (Waldeyer, in dentinal, sheath. ^ Inside Strieker's Mamud.) the tube is a fibre, the ((.Crustapetrosa, with large bone corpus- 7 ,• 7 /•/ T 1 ties; b, interglobular substance: c, dentinal JlOre, a solid dentinal tubules. elastic fibre originatinsf with its thickest part at the pulp side of the dentine from cells lining the outer surface of the pulp, and called 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; Edkins, John Sydney, b. 1865. Philadelphia : Lea Brothers
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherphiladelphialeabro
