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Epiphyseal closure refers to the process in which the growth plates, or epiphyseal plates, in long bones fuse, marking the end of longitudinal bone growth. This usually occurs after puberty when hormonal changes lead to the ossification of these cartilage areas. Once closure happens, bones can no longer grow in length, signifying that an individual has reached their final adult height. The timing of epiphyseal closure varies by individual and is influenced by factors such as genetics and sex.
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Does the closure of the epiphyseal plate stop all bone growth?
false
What indicates that a long bone has reached its adult length?
closure of the epiphyseal plate
Accelerated closure of the epiphyseal plates could be caused?
by elevated levels of estrogen.
What indicates a long bone has reached its adult length?
closure of the epiphyseal plate
Closure of the epiphyseal plate stops all bone growth?
Yes, closure of the epiphyseal plate marks the end of longitudinal bone growth, as it fuses and replaces cartilage with bone tissue. After this closure, bones can no longer lengthen, but they can still thicken through a process known as appositional growth.
What is accelerated closure of the epiphyseal plates caused by?
Accelerated closure of the epiphyseal plates can be caused by factors such as hormonal imbalances, genetic conditions, certain medications or treatments, and physical trauma. This can lead to premature cessation of bone growth and affect the individual's final height.
If epiphyseal plates are visible on X-ray the bone is what?
If epiphyseal plates are visible on X-ray, it indicates that the bone is still actively growing and is not fully matured. Epiphyseal plates are growth plates found at the ends of long bones in children and adolescents, with closure indicating the end of bone growth.
What does the word synchondrosis mean?
Bone united by hyaline cartilage. Example: Epiphyseal plate
The appearance of this structure signals the end of bone growth?
The appearance of the growth plate closure, also known as the epiphyseal line, signals the end of bone growth in long bones. This happens when the cartilage in the growth plate is replaced by bone, indicating that growth has ceased in that particular bone.
What structure would be present instead of a epiphyseal line?
epiphyseal plate
Which hormone is specifically responsible for terminating growth at the epiphyseal plate in both men and women as they end adolescence?
The hormone responsible for terminating growth at the epiphyseal plate in both men and women as they end adolescence is estrogen. Estrogen plays a key role in promoting the closure of the growth plates, leading to the cessation of longitudinal bone growth.
Where does bone growth occur in children occur?
epiphyseal plates
