Textbook of normal histology: including an account of the development of the tissues and of the organs . of the primary spongy net-work of periosteal concentric lamellae constituting the Haversian systems aresecondarily deposited within the enlarged spaces of the bony reticu-lum. In addition to the lamellae already mentioned, superficial os-seous strata encircle the bone onFig. 55. both its outer and inner (medul- lary) free surfaces; these arethe outer and inner circum-ferential or fundamental la-mellae. Between the bundles of theground - matrix spindle - shapedspaces—the lacunae—are


Textbook of normal histology: including an account of the development of the tissues and of the organs . of the primary spongy net-work of periosteal concentric lamellae constituting the Haversian systems aresecondarily deposited within the enlarged spaces of the bony reticu-lum. In addition to the lamellae already mentioned, superficial os-seous strata encircle the bone onFig. 55. both its outer and inner (medul- lary) free surfaces; these arethe outer and inner circum-ferential or fundamental la-mellae. Between the bundles of theground - matrix spindle - shapedspaces—the lacunae—are seen,from which minute channels—thecanaliculi—radiate in all direc-tions ; these dark, stellate figures with their minute lateral canals forma system of intercommunicating lymph-spaces within the bone ; thecanaliculi belonging to the same space or to the adjoining lacunaeof the same Haversian system anastomose with one another, but notwith the canals of different systems. Longitudinal section of driedbone : h, Haversian canals openedlengthwise and bordered by thelongitudinally-cut The lacuna? and canaliculi of dried bone underhigh amplification.


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Keywords: ., bookauthorpiersolgeorgeageorgea, bookcentury1800, bookdecade1890