This document describes the various components of bone tissue including fetal hyaline cartilage, outer circumferential lamellae, osteons, osteoblasts, Haversian canals, Volkmann's canals and canaliculi, perioisteum, lacunae, mature hyaline cartilage, interterritorial matrix, cement lines and lamellae. Many of these components are present in developing, decalcified, or ground bone.