Growth includes the processes [Modeling is also part of bone growth] that causes increase length and girth before the closure of to epiphyseal plate closure [There is gain in length after epiphyseal plate closure]. This pattern is seen in tubular bones. Intramembranous bone is without physes and grows and then stops as controlled by genetic script.
- Mitogenesis- Division of the cells
- Quantitative amplification
- Enlargement – Increase in cell mass and size.
All these processes are fine controlled at the cellular level.