Difference between osteoclast and osteoblast?

They are two different normal cells of bone, the osteoblast laying down bone matrix, which mineralizes and becomes bone. The osteoclast resorbs bone. The delicate equilibrium between both types of...

an osteoblast will build bone. You can remember it as as osteo"b"laste will "b"uild "b "one. An osteoclast, however, is designed to break down bone. Or "c"ill bone.

chondroblasts form cartilage and osteoblasts form bone

Osteoblast builds up bone and is found in immature bone but osteocyte is a mature bone cell found in mature bone tissue.

I take that you mean osteoclast rather that osteocast. Whereas osteoblast is the process (and the specific type of cells that perform it) by which new osteocytes (bone cells) are produced....