Explain the process of bone remodeling.
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The Process of Bone Remodeling
Bone remodeling consists of two major processes: Resorption (breaking or disintegration of the old bone) and ossification (formation of the new bone). Three types of cells play a very important role in the process:
Osteoclasts: Osteoclasts are multinucleated cells. They are responsible for bone resorption. They travel to the sites of old bones or the bones which need to be repaired. They secrete acid phosphatase which disintegrate the bone.
Osteoblasts: Osteoblasts are mononucleated cells. They help in the formation of the new bone. They secrete alkaline phosphate, which helps in the deposition of calcium and phosphate, resulting in the formation of a new bone.
Osteocytes: Those osteoblasts which are not present on the surface of the bone are called osteocytes. They are found in the lacunae between the lamellae in a bone. These cells help in maintaining oxygen and mineral level in the bone
Bone remodeling consists of two major processes: Resorption (breaking or disintegration of the old bone) and ossification (formation of the new bone). Three types of cells play a very important role in the process:
Osteoclasts: Osteoclasts are multinucleated cells. They are responsible for bone resorption. They travel to the sites of old bones or the bones which need to be repaired. They secrete acid phosphatase which disintegrate the bone.
Osteoblasts: Osteoblasts are mononucleated cells. They help in the formation of the new bone. They secrete alkaline phosphate, which helps in the deposition of calcium and phosphate, resulting in the formation of a new bone.
Osteocytes: Those osteoblasts which are not present on the surface of the bone are called osteocytes. They are found in the lacunae between the lamellae in a bone. These cells help in maintaining oxygen and mineral level in the bone
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