How do osteoblasts become osteocytes?

Osteoblasts become osteocytes through a process of entrapment within the bone matrix they secrete.12

During bone formation, osteoblasts synthesize and deposit the organic, unmineralized bone matrix known as osteoid. As this matrix calcifies and grows, the osteoblasts become surrounded by the hardening material. Eventually, the cell is completely enclosed within a small space called a lacuna.132

Once trapped in this cavity, the cell differentiates into a mature osteocyte. To maintain connectivity, the cell retains long, slender cytoplasmic processes that extend through microscopic channels known as canaliculi. This network allows the newly formed osteocyte to communicate with other bone cells and access nutrients, effectively transitioning from a bone-forming cell to a mature cell responsible for maintaining bone tissue and regulating bone remodeling.1423