Elastic Cartilage · Histology

Which of the following describes the primary structural difference between elastic cartilage and hyaline cartilage?

  1. Elastic cartilage lacks a perichondrium.
  2. Elastic cartilage has a dense network of elastic fibers.
  3. Elastic cartilage does not contain any Type II collagen.
  4. Elastic cartilage is highly vascularized.
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Correct answer: Elastic cartilage has a dense network of elastic fibers.

While both hyaline and elastic cartilage contain Type II collagen and proteoglycans, elastic cartilage is distinguished by a high concentration of elastic fibers. These fibers provide the tissue with significant flexibility and the ability to withstand repeated bending.

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