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Which statement correctly describes compact bone?
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6. Bones & Skeletal Tissue
Gross Anatomy of Bone: Compact and Spongy Bone
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What is the structural unit of compact or cortical bone?
A
Osteon
B
Trabeculae
C
Periosteum
D
Endosteum
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Begin by understanding the structure of compact or cortical bone, which is dense and forms the outer layer of bones.
Identify the key components of compact bone, focusing on the osteon, which is the fundamental structural unit.
Learn that an osteon, also known as a Haversian system, consists of concentric layers of calcified matrix called lamellae surrounding a central canal.
Recognize that the central canal, or Haversian canal, contains blood vessels and nerves, which are essential for the nourishment and communication within the bone.
Differentiate the osteon from other structures such as trabeculae (found in spongy bone), periosteum (a membrane covering the bone), and endosteum (lining the inner surface of the bone).
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