Multiple Choice
Which of the following is not a feature of the humerus?
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6. Bones & Skeletal Tissue
Gross Anatomy of Bones - Structure of a Long Bone
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Where on a long bone is articular cartilage found?
A
In the medullary cavity
B
In the diaphysis
C
On the periosteum
D
At the epiphyses
Verified step by step guidance1
Understand the structure of a long bone: A long bone typically consists of a diaphysis (shaft), epiphyses (ends), and metaphyses (regions between the diaphysis and epiphyses).
Identify the function of articular cartilage: Articular cartilage is a smooth, white tissue that covers the ends of bones where they come together to form joints. Its primary function is to reduce friction and absorb shock in the joints.
Locate the epiphyses: The epiphyses are the rounded ends of a long bone, which articulate with adjacent bones to form joints.
Recognize the role of articular cartilage at the epiphyses: Since the epiphyses are involved in joint formation, articular cartilage is found here to facilitate smooth movement and protect the bone ends.
Conclude that articular cartilage is found at the epiphyses of a long bone, where it covers the joint surfaces.
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