. Elements of histology. Histology. 70 Elements of HistoloCjY. others, they also have to do witli the formation of blood-vessels and blood corpuscles. NuQierous eosino- phile cells are present in the marrow, 64. The matrix of osseous substance is dense plexiform fil^rous connective tissue, a tissue yield- ing- gelatin on boiling. The cement substance between the fibrils is petrified, owing to a deposit of insoluble inorganic lime salts, chiefly carbonates and phosphates. These can be dissolved out by strong acids (hydro- chloric) and are thereby converted into soluble salts. Thus the orij
. Elements of histology. Histology. 70 Elements of HistoloCjY. others, they also have to do witli the formation of blood-vessels and blood corpuscles. NuQierous eosino- phile cells are present in the marrow, 64. The matrix of osseous substance is dense plexiform fil^rous connective tissue, a tissue yield- ing- gelatin on boiling. The cement substance between the fibrils is petrified, owing to a deposit of insoluble inorganic lime salts, chiefly carbonates and phosphates. These can be dissolved out by strong acids (hydro- chloric) and are thereby converted into soluble salts. Thus the orijanic matrix of osseous substance—called ossein—may be obtained as a soft flexible material, easily cut. In young bone the matrix or ossein is a plexus of trabecuLe of fibrous tissue (v. Ebner), and in it are also a few elastic fibres to be noticed. The bone substance is in the adult state generally lainellated, the lamellse being of microscopic thinness. Between every two lamellae are numbers of isolated, flattened, oblong spaces—the hone lacnnce (Fig. 49), which anastomose by numerous fine canals with one another, and also with those of the next lamella above and below (Fig. 50). The appearances are very similar to those presented by the lacunse and canali- culi containing the corneal corpuscles as described in Chapter V. The bone lacunte and their canaliculi are the lymph-canalicular system of osseous substance, for they. Fig. 49.—Osseous Lanieihe ; oblong branched bone lacun;e and canaliculi between them. {Atlas.). 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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