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Related to Osteons: Haversian system


A microscopic unit of mature bone composed of layers of osteocytes and bone surrounding a central canal. Also known as Haversian system.



(also haversian system), a system in the bones of vertebrates and man that consists of from five to 20 lamellae arranged concentrically around a haversian canal. It is the structural unit that gives strength to compact bone. Osteons are interspersed with interstitial lamellae. (SeeHAVERSIAN CANALS.)

References in periodicals archive ?
In cancellous or spongy bone, lamellae are not arranged in osteons.
Hard bone is composed of units called osteons, which are composed of tightly packed, concentric layers known as lamellae.
Histologically, the experimental femurs demonstrated natural remodeling processes with new osteons and angiogenesis.