Which of the following is known as the longitudinal growth center of a bone?

The epiphysis is recognized as the longitudinal growth center of a bone due to its crucial role in bone development and growth. This region is located at the ends of long bones and contains the growth plate, or epiphyseal plate, which is responsible for the increase in length of the bone during childhood and adolescence.

In this growth plate, new cartilage is formed and gradually replaced by bone through a process known as endochondral ossification. This process is essential for the growth of long bones, allowing for the elongation needed for proper height and structure.

Understanding the importance of the epiphysis in overall bone growth helps clarify why it is specifically identified as the center responsible for longitudinal growth, emphasizing its function in the development and maturation stages of skeletal growth.