A text-book of dental histology and embryology, including laboratory directions . regularmasses of cytoplasm with a nucleus in the central portion,and fine projections stretching out in all directions throughan almost structureless intercellular substance. The fine pro-jections of the cytoplasm meet those of the adjoining cellsand form a network holding everything together. Because ofthe nature of cytoplasm, however, these possess very littlestrength, and very soon fine thread-like fibers are foundappearing in the intercellular substance in contact withcells. These unite with each other, formi


A text-book of dental histology and embryology, including laboratory directions . regularmasses of cytoplasm with a nucleus in the central portion,and fine projections stretching out in all directions throughan almost structureless intercellular substance. The fine pro-jections of the cytoplasm meet those of the adjoining cellsand form a network holding everything together. Because ofthe nature of cytoplasm, however, these possess very littlestrength, and very soon fine thread-like fibers are foundappearing in the intercellular substance in contact withcells. These unite with each other, forming continuousfibers, and very soon a strong network is produced whichis entirely dependent upon the cytoplasm of the cell whichhas formed and maintains it. If this tissue is now subjectedto pressure and strain, the cells become flattened out andsqueezed between the bundles of fibers, which take on INTERCELLULAR SUBSTANCES 241 parallel directions, and so a tendon is formed. A tendonmust be considered as a highly specialized form of connective Fig. 184 Fig. 185 !%V -Csp <s ef. £»££>*? 3£>^5 Embryonal connective tissue in an early The same, a little more developed, stage of development, showing the cellular showing the cellular elements length-elements embedded in the ground sub- ening in a common direction,stance. Fig. 186


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectteeth, bookyear1912