LAMELLAR (MATURE) BONE      Stained with thionin and picric acid 1 - Haversian system (newly formed) 2 - Haversian canal 3 - interstitial system (older, partially resorbed, Haversian system)
LAMELLAR (MATURE) BONE      Stained with thionin and picric acid 1 - Haversian system (for better understanding, two Haversian systems       are bordered with dotted line) 2 - Haversian canal 3 - interstitial system (older, partially resorbed, Haversian system)
LAMELLAR (MATURE) BONE      Stained with thionin and picric acid 1 - Haversian system (osteon) 2 - Haversian canal 3 - interstitial system (older, partially resorbed, Haversian system) 4 - outer cortical lamellae (cortical bone) 5 - periosteum
LAMELLAR (MATURE) BONE      Stained with thionin and picric acid 1 - Haversian system (osteon) 2 - Haversian canal 3 - interstitial system (older, partially resorbed, Haversian system) 6 - osteocytes
WOVEN (IMMATURE) BONE      Stained with haematoxylin and eosin 1 - intercellular bone matrix 2 - osteocytes 3 - periosteum
WOVEN (IMMATURE) BONE      Stained with haematoxylin and eosin 1 - intercellular bone matrix 2 - osteocytes 3 - periosteum 4 - osteoclast
OSTEOCYTES      Stained with haematoxylin