Bone tissues support and allow body movements. It provides mineral storage of calcium and phosphate, and bone marrow assists in the production of blood cells. It is a tissue composed of cells and the ground substance is mineralized extracellular matrix called osteoid. Most bones in the body develops by way of endochondral ossification from cartilage.
Compact bone (TM: 100x, picture taken with a Nikon Plan Apo 10/0.4 on Sony A7ii)
Compact bone. (TM: 400x, picture taken with a Zeiss Planapo 40/1.0 Oil on Leica)
Compact bone. A haversian system or Osteon could be seen on the left side. (TM: 400x, picture taken with a Zeiss Planapo 40/1.0 Oil on Sony A7ii)Osteon. The central canal, lacuna with osteocyte and interconnecting canaliculi could be seen. (TM: 630x, picture taken with a Zeiss Planapo 63/1.4 Oil on Sony A7ii)Decalcified bone. In this specimen, calcium mineral is removed and showing the underlying collagen fibers. (TM: 100x, picture taken with an Olympus DPlan 10/0.25 on Sony A7ii)Decalcified bone. The canaliculi around the central canal can be faintly seen. (TM: 630x, picture taken with a Zeiss Planapo 63/1.4 Oil on Sony A7ii)
Kit Ng, Ph.D. 