lacuna

  • 131bone lacuna — a small cavity within the bone matrix containing an osteocyte and from which slender canaliculi radiate and penetrate the adjacent lamellae to anastomose with the canaliculi of neighboring lacunae, thus forming a system of cavities interconnected …

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  • 132cartilage lacuna — any of the small cavities within the cartilage matrix, containing a chondrocyte, or cartilage cell …

    Medical dictionary