Answer:
Osteocyte:
Osteocyte may be defined the bone forming cell and present inside a lacuna. They are involved in the synthesis and modification of bone cells. There receptors play an important role in the functional regulation of bone marrow.
Osteoblast:
Osteoblast cells contain a single nucleus and involved in the bone synthesis. They work together with the connective tissue in the process of formation of bone. They are involved in the formation of mineralized tissue.
Osteoclast:
Osteoclast cell breaks the bone tissue. The breakdown of bone tissue is important for the process of bone remodeling and bone repair. These cells are also involved in the bone resorption process by secreting the enzyme called collagenase.