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What is the cartilage that is located at the end of long bones that closes when growth ceases?
The physes, also called the growth plates, are the cartilaginous areas in the ends of long bones that produce longitudinal growth prior to their closure at the end of adolescence.
The cartilage that is located at the end of long bones that closes when growth ceases is called the plate?
The cartilage at the end of long bones that closes when growth stops is known as the growth plate or epiphyseal plate. It is responsible for longitudinal bone growth during childhood and adolescence by ossifying to form solid bone.
What are growth lines?
A growth line is a dense transverse line observed in radiographs of long bones. These lines represent bone growth after cessation of longitudinal growth.
What is the site for longitudinal growth in a child?
The growth plate, also known as the epiphyseal plate, is the site for longitudinal growth in a child. It is a cartilage region at the ends of long bones where bone growth occurs, allowing bones to elongate during childhood and adolescence. Once growth is complete, the growth plates close and are replaced by solid bone.
Interstitial bone growth in long bones?
Interstitial bone growth in long bones occurs in the epiphyseal plate, or growth plate, located at the ends of long bones. Here, cartilage cells (chondrocytes) proliferate, differentiate, hypertrophy, and are replaced by bone tissue, leading to longitudinal bone growth. This process is crucial for growth and development in children and adolescents.
What is the region of longitudinal growth in a child?
The region of longitudinal growth in a child is the epiphyseal plate, commonly known as the growth plate. This area is located at the ends of long bones and is responsible for bone lengthening during childhood and adolescence by the process of endochondral ossification. Once growth is complete, the growth plate closes and becomes a bony structure known as the epiphyseal line.
What body part grow the most?
The body part that grows the most during childhood and adolescence is the long bones, particularly in the legs and arms. This growth is driven by the growth plates, which are areas of developing cartilage at the ends of long bones. Hormonal changes during puberty also significantly influence bone growth and overall height. After adolescence, growth generally ceases as these growth plates close.
How long does longitudinal bone growth occur?
Longitudinal bone growth occurs until the growth plates, also known as epiphyseal plates, close. This typically happens around the age of 18 in girls and 20 in boys. After the growth plates close, bones stop growing in length.
Why do peoples bones stop growing at the age of 20?
Bone growth is controlled by a variety of factors, including growth plates found at the ends of long bones. At around age 20, these growth plates ossify and turn into solid bone, which signals the end of longitudinal bone growth. After this point, bone remodeling and maintenance occur instead of growth.
What structure is involved in long bone growth length?
Long bone growth in length occurs at the growth plate, also known as the epiphyseal plate. This is a cartilaginous area at the ends of long bones where new bone tissue is formed, leading to longitudinal bone growth.
What permits long bones to grow in length?
Growth plates at the end of the bones
What hormone stimulates the elongation of the long bones of the body?
Groth in long bones indicates a total lack of hormones.
