Multiple Choice
Which statement correctly describes an osteon in the microscopic anatomy of bones?
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6. Bones & Skeletal Tissue
Microscopic Anatomy of Bones - The Osteon
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Which of the following structures are found in an osteon?
A
Epiphyseal plate
B
Trabeculae
C
Haversian canal
D
Periosteum
Verified step by step guidance1
Understand the structure of an osteon: An osteon, or Haversian system, is the fundamental functional unit of compact bone.
Identify the components of an osteon: An osteon typically consists of a central canal known as the Haversian canal, surrounded by concentric rings of calcified matrix called lamellae.
Recognize the role of the Haversian canal: The Haversian canal runs longitudinally through the bone and contains blood vessels and nerves, providing nourishment and communication to bone cells.
Differentiate between the options: The epiphyseal plate is involved in bone growth, trabeculae are found in spongy bone, and the periosteum is a membrane covering the outer surface of bones, not part of the osteon.
Conclude that the Haversian canal is the correct structure found within an osteon, as it is integral to the osteon's function and structure.
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