Where in the body would you find elastic cartilage?

Question

BlackTom AI · Accepted Answer

The question asks where elastic cartilage is found in the body, requiring evaluation of each anatomical option.

Option 1: Intervertebral discs. These contain fibrocartilage, which is dense and fibrous, not elastic cartilage. Therefore, this choice describes a different cartilage type with different properties (tough, with collagen and little elastic fibers).

Option 2: Epiglottis. The epiglottis is composed of elastic cartilage, which provides it with the flexibility to bend during swallowing while returning to its shape. This aligns with the known distribution of elastic cartilage in structures requiring both rigidity and recoil.

Option 3: Pubic symphysis. This joint contains fibrocartilage as part of the intervertebral disc-like disc components between the pubic bones, not elastic cartilage. It’s more specialized for weight-bearing and shock absorption in the pelvis.

Option 4: Epiphyseal plate of long bones. The growth plate is made of hyaline cartilage in developing bones, not elastic cartilage. It functions in longitudinal bone growth, and its matrix is typical of hyaline cartilage.

Option 5: Bronchi. The bronchi contain hyaline cartilage in the larger airways, with cartilage plates or rings that help maintain airway patency. Elastic cartilage is not the primary constituent here.

In summary, options describing fibrocartilage or hyaline cartilage cannot be correct for elastic cartilage locations, while the epiglottis uniquely matches the elastic cartilage characteristic due to its need for pliable support. The other choices do not exhibit the elastic cartilage composition or distribution expected for elastic cartilage-containing structures.

Where in the body would you find elastic cartilage?Single choice

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