lamellar bone


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Related to lamellar bone: woven bone

lamellar bone

[lə′mel·ər ¦bōn]
(histology)
Any bone with a microscopic structure consisting of thin layers or plates.
References in periodicals archive ?
When performed, histology reveals foci of thickened trabeculae of lamellar bone with evidence of normal functioning osteoblasts and osteoclasts.
Lamellar bone and Haversian canals were detected in both HA/Zr[O.sub.2]/PRP- and HA/Zr[O.sub.2]-treated defects but not in the PRP-treated defects (figure 7).
Due to this structure, bone tends to behave mechanically like a fiber-reinforced composite, where lamellar bone is the "matrix" and the osteons are the reinforcing "fibers" (Burr et al.
Both orbital roofs had thick deposits of lamellar bone, with woven bone also present in the left orbit.
(a) Section through the femoral shaft prior to flushing of bone marrow demonstrated a large network of the Haversian and Volkmann canal system within the cortical lamellar bone. (b) Following removal of bone marrow, some cells lining the endosteal surface remain.
Microscopic examination revealed a lamellar bone formation with mixed tissue of fat and necrotic muscle.
The stroma shows PAS positivity and a peripheral rim of lamellar bone, which partially surrounds the tumor, can be detected in about 80% of cases (3).
Typically, lesions include Haversian canals and lamellar bone surrounded by dense fibrous tissue.
In contrast,-"true" lamellar bone is surrounded by osteoblastic activity, and this feature is important in the differential diagnosis between ossifying fibroma and fibrous dysplasia (1).
Therefore, 12 weeks of healing was chosen as a midterm healing period, by which signs of remodelling and reorganisation of the early-formed woven bone into organised lamellar bone may become apparent.