BONE
DEVELOPING BONE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is inside the medullary cavity.
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It is surrounding the shaft of the bone.
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It is surrounding the two ends of the bone(epiphyses).
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It is found both in the shaft and two ends of the bone.
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Detailed explanation-1: -The periosteum covers the entire outer surface except where the epiphyses meet other bones to form joints (Figure 6.3. 2). In this region, the epiphyses are covered with articular cartilage, a thin layer of hyaline cartilage that reduces friction and acts as a shock absorber.
Detailed explanation-2: -At the joint, the epiphysis is covered with articular cartilage; below that covering is a zone similar to the epiphyseal plate, known as subchondral bone. Structure of a long bone, with epiphysis labeled at top and bottom. The epiphysis is filled with red bone marrow, which produces erythrocytes (red blood cells).
Detailed explanation-3: –The epiphyses are covered by a thin layer of compact tissue. Their interior contains spongy bones and red marrow. On its outer surface, the articular portion of the epiphysis is coated with hyaline cartilage.
Detailed explanation-4: -Epiphyseal cartilage is hyaline cartilage tissue with a gelatinous texture, and it is responsible for the longitudinal growth of the long bones in birds and mammals. It is located between the epiphysis and the diaphysis. Epiphyseal cartilage also is called a growth plate or physis.