The epiphyseal plate and secondary ossification centers are crucial for bone growth in long bones.
The epiphyseal plate is the area of growth in a long bone, responsible for elongation, and is composed of different zones of cells and activities. Secondary ossification centers form in the epiphyses after birth, leading to bone growth. Hyaline cartilage persists at the epiphyseal plate until adolescence, contributing to the lengthwise growth of long bones.
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