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What type of bone is the diaphysis of a long bone?
You have a primary cartilaginous joint between epiphysis and diaphysis. There is a plate of cartilage between the two. That make it possible for the bone to grow in length. This plate of cartilage is replaced by the bone tissue as the growth ceases.
Which structure allows the diaphysis of the bone to increase in length in childhood?
The structure that allows the diaphysis of the bone to increase in length during childhood is the growth plate, also known as the epiphyseal plate. This cartilaginous region is located at the ends of long bones and is responsible for longitudinal bone growth. As new cartilage cells are produced and mature, they are gradually replaced by bone tissue, leading to an increase in the length of the diaphysis. Eventually, the growth plate closes after puberty, halting further lengthening of the bone.
This is a layer of hyaline cartilage that allows the diaphysis to grow in length?
The layer you are referring to is the epiphyseal plate, also known as the growth plate. It is found at the ends of long bones in children and adolescents, allowing the bone to lengthen as the cartilage cells multiply and are replaced by new bone tissue. Once growth is complete, the epiphyseal plate ossifies and becomes the epiphyseal line.
What are the main events of endochondral ossification?
Meschyme (embryonic connective tissue) develops into a body of hyaline cartilage, covered with fibrous perichondrium, in the location of a future bone. For time, the perichondrium produces chondrocytes and the cartilage model growth in thickness.
Which structure allows the diaphysis of the bone to increase in length until early childhood as well as shaping the articular surfaces?
The growth plate, also known as the epiphyseal plate, allows the diaphysis of the bone to increase in length until early childhood. During growth, the cartilage in the growth plate is replaced by bone. The articular surfaces are shaped by the action of osteoblasts and osteoclasts during development and growth.
What type of joint is the epiphyseal plate?
The epiphyseal plate is a cartilaginous joint, also known as a synchondrosis, formed by hyaline cartilage connecting the epiphysis (end) of a bone to the diaphysis (shaft). This type of joint allows for growth in bone length during childhood and adolescence.
What structure allows bones to grow in thickness?
Bones grow in length by endochondral ossification. It begins with cartilage that acts like a model of the bone that will grow. The bone grows in length and diameter(appositional). the structure that allows this is the epiphyseal cartilage that seperates the epiphysis from the diaphysis. When the bone is fully grown this cartilage will become bone and simply the epiphyseal line.
How is the epiphysis forced farther from the shaft during the growth of a long bone?
The chondrocytes of the epiphyseal cartilage enlarge and divide, which increases the thickness of the cartilage. On the shaft side, the chondrocytes become ossified, and "chase" the expanding epiphyseal cartilage away from the shaft.
What is the tissue called on the flexible tip of the nose?
There IS a nose bone, in fact it's called the nasal bone at the top of the nose. It's a short bone that doesn't extend the length of the nose. At the end of the nasal bone is where the cartilage starts. You can find anatomical pictures on google for a visual.
Do the bronchioles have cartilage support?
No, bronchioles do not have cartilage support. They are small airways in the respiratory system that lack the cartilage rings present in larger airways such as bronchi. Instead, bronchioles are supported by smooth muscle.
Is the shaft the longest portion of a long bone?
No, the shaft is not the longest portion of a long bone. The shaft is the main middle part of the bone, also known as the diaphysis. The long bones have a shaft (diaphysis), and two ends (epiphyses) that may be longer in length compared to the shaft.
What kind of tissue comprises the epiphyseal plate of bones?
The epiphyseal plate is made of cartilage that forms at the ends of the long bones of the body. It is seen in infants and children. Once the child reaches adulthood, the plate has solidified into bone.
