Abstract
The secretory activity of osteoblasts has been quantitatively investigated by means of different techniques. Autoradiographic studies on Glycine-H3 and Thymidine-H3 injected in young rabbits indicate that, on an average, a periosteal osteoblast produces 2860 µ 3 of matrix daily, during three days, before becoming either an osteocyte or a relatively inactive lining osteoblast (10). Using stereological methods on histological sections of human rib cortical bone, a mean value of 220 µ 3 of matrix daily produced per osteoblast was estimated (11). More recently, the ‘secretory territories’ of osteoblasts on rat parietal bone were precisely measured under the scanning electron microscope and a daily matrix production rate of approximately 470 µ 3 was derived (1).
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Marotti, G., Zallone, A.Z., Ledda, M. (1976). Number, Size and Arrangement of Osteoblasts in Osteons at Different Stages of Formation. In: Nielsen, S.P., Hjørting-Hansen, E. (eds) Calcified Tissues 1975. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-29272-3_13
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DOI: https://doi.org/10.1007/978-3-662-29272-3_13
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