. Elements of histology. Histology. 56 Elements of Histology. [chap. vn. channels grows more transparent, the lacunae becoming enlarged and the cartilage cells more transparent. The lat- ter gradually break down, while the in- tercellulartrabeculse become calcified; the lacunae them- selves, by absorp- tion, fusing with the cartilage channels. These latter there- by become trans- formed into irregu- lar cavities, which are bordered by, and into which project, trabeculm of calcified cartilage. The cavi- ties are the primary marrow cavities, and they are filled with the primary or car- tilage ma
. Elements of histology. Histology. 56 Elements of Histology. [chap. vn. channels grows more transparent, the lacunae becoming enlarged and the cartilage cells more transparent. The lat- ter gradually break down, while the in- tercellulartrabeculse become calcified; the lacunae them- selves, by absorp- tion, fusing with the cartilage channels. These latter there- by become trans- formed into irregu- lar cavities, which are bordered by, and into which project, trabeculm of calcified cartilage. The cavi- ties are the primary marrow cavities, and they are filled with the primary or car- tilage marrow, , blood - vessels and osteoblasts, derived, as stated above, from the osteogenetic layer of the perios- teum. (4) The os- teoblasts arrange themselves by active multiplication as an epitheloid layer on the surface of the calcified cartilage trabeculae projecting into, and bor-. Fig. 34.— Longitudinal Section through the entire Foetal Humerus of a Guinea-pig. a, Periosteum ; 5, hyaline cartilage of the epiphysis; c, intermediate cartilage at the end of the shaft; d, zone of cal ciflcation; e, periosteal bone,spongy; /, endochondral bone, 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. Philadelphia : H. C. Lea's Son
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Keywords: ., bookauthorkleineed, bookcentury1800, bookdecade1880, bookyear1883
