BONE
STRUCTURES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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osteoid
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trabeculae
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calcitonin
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vitamin
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Detailed explanation-1: -In histology, osteoid is the unmineralized, organic portion of the bone matrix that forms prior to the maturation of bone tissue. Osteoblasts begin the process of forming bone tissue by secreting the osteoid as several specific proteins.
Detailed explanation-2: –The organic component of the bone matrix is called osteoid.-It contains proteoglycans, glycoproteins and collagen fibers.-Without the organic components of the matrix, the bone would be very brittle and it would break if twisted or stretched.
Detailed explanation-3: -The organic component of bone largely consists of type I collagen ( 90%) and the remaining 10% noncollagenous proteins [1-2]. Type I collagen is a triple-helical molecule containing three polypeptide chains, each of which is composed of approximately 1000 amino acids.