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lamellar bone. (histology). Any bone with a microscopic structure consisting of thin layers or plates.1  Facebook. 2  Twitter.amellar bone. (histology). Any bone with a microscopic structure consisting of thin layers or plates. 1  Facebook. 2  Twitter.
Osteons, also known as the haversian system, are the building blocks of cortical. bone. They form two-third of the cortical bone volume. An osteon is in the form of. a cylinder having concentric layers of lamellae. These lamellae are composed of. collagen fibers which are reinforced by hydroxyapatite crystals. These concentric. lamella layers surround the cylindrical cavity known as haversian canal.