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Lacuna

A small lens-shaped cavity within bone lamellae that houses an osteocyte cell body. Lacunae are connected by canaliculi radiating toward the Haversian canal. Their presence is used to distinguish mammalian bone from fish (acellular) bone in forensic histological species determination.

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Cortical (compact) boneEpiphyseal growth plate (physis)Haversian system (secondary osteon)Interstitial lamellaeKerley methodOsteoclastPlexiform boneTrabecular (cancellous) boneWolff's law

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