Question

question 50
the cell type that is responsible for maintaining bone once it has been formed is the:
a chondrocyte
b osteoclast
c osteoblast
d osteocyte
e chondroblast

Explanation:

• Chondrocytes are cells in cartilage, not bone maintenance.
• Osteoclasts break down bone (resorption).
• Osteoblasts build new bone (osteogenesis).
• Osteocytes are mature bone cells that maintain bone tissue.
• Chondroblasts are related to cartilage formation.

Answer:

D. osteocyte