Bone cells in living organisms, tissue properties of intercellular substance in bones, intramembranous and endochondral ossification, bone formation on dietary factors, heterotopic ossification, and bone fracture repair, and learned to use painting techniques to gain the ability to teach

Bone cells, properties of intercellular substance in bones, intramembranous bone formation, endochondral bone formation, nutritional effects on bone, heterotopic ossification, repair of bone, staining methods of bone section