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The matrix of cartilage is not mineralized; it is primarily composed of water, collagen fibers, and proteoglycans, which provide elasticity and resilience. Unlike bone, which has a mineralized matrix rich in hydroxyapatite, cartilage maintains its flexible and supportive structure without mineralization. This lack of mineralization allows cartilage to serve its functions in joints and other areas effectively.
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What tissue has chondrocytes and osteocytes?
Cartilage tissue has chondrocytes, which are responsible for synthesizing and maintaining the extracellular matrix of the cartilage. Bone tissue has osteocytes, which are mature bone cells embedded in the mineralized matrix and play a role in bone remodeling and maintenance.
What does bone have that cartilage does not?
Bone is harder and more rigid than cartilage due to its mineralized matrix, predominantly composed of calcium and phosphorus. Bone also contains specialized cells like osteocytes, which are responsible for maintaining bone structure and function. Cartilage, on the other hand, is more flexible and resilient due to its high water content and lacks the mineralized matrix found in bone.
What is the process by which catrilage is replaced by a bone?
The process by which cartilage is replaced by bone is called endochondral ossification. It involves the gradual replacement of hyaline cartilage with mineralized bone tissue. Osteoblasts deposit bone matrix over the cartilage scaffold, which is then mineralized to form mature bone tissue. This process is essential for bone growth and development in long bones during childhood and adolescence.
Which structure is found in both cartilage and bone?
Both cartilage and bone contain a type of structural protein called collagen. Collagen fibers provide strength and flexibility to these tissues, allowing them to withstand pressure and tension. Additionally, both tissues have a matrix that supports cells; in cartilage, this matrix is more gel-like, while in bone, it is mineralized and rigid.
What tissue has pink cells in a firm purple matrix?
The tissue you are describing is likely bone tissue. The pink cells would be osteoblasts or osteocytes, and the firm purple matrix would be the mineralized extracellular matrix, consisting mainly of calcium and phosphate salts.
What organs belong to skeletal system?
The skeletal system consists of bones and cartilage. Bones and cartilage are formed of skeletal tissue which has dense and mineralized matrix.
What type of tissue is replaced in the embryo during endochondral ossification?
During endochondral ossification, the hyaline cartilage model in the embryo is gradually replaced by bone tissue. Osteoblasts deposit bone matrix around the cartilage model, which is then mineralized and eventually becomes mature bone tissue.
What is the cartilage that has a matrix with no visible fibers?
Hyaline cartilage is the type of cartilage that has a matrix with no visible fibers. It is found in joints, the trachea, and the nose, providing support with flexibility.
What is osteocyte and where can it be found?
They are encased in mineralized bone matrix. So basically it is embedded in bone.
Does cartilage have a liquid matrix?
yes
What matrix is chondroitin sulfate found?
The matrix of cartilage is a firm gel that contains polysaccharide derivatives called chondroitin sulfates.
Where in the body are chondrocytes located?
Chondrocytes are primarily located within the cartilage tissue of the body. They are responsible for maintaining the extracellular matrix of the cartilage and are crucial for cartilage function and health.
