## **Core Concept**
The laryngeal cartilages are primarily composed of hyaline cartilage, but some are made of elastic cartilage. Elastic cartilage provides flexibility and is found in structures that need to maintain their shape while allowing for movement.

## **Why the Correct Answer is Right**
The correct answer, **C. Cricoid cartilage**, is composed of hyaline cartilage. Unlike the epiglottis, arytenoid cartilages, and corniculate cartilages, which are made of elastic cartilage, the cricoid cartilage does not contain elastic fibers. This makes it more rigid compared to the elastic cartilages.

## **Why Each Wrong Option is Incorrect**
- **Option A:** The epiglottis is made of elastic cartilage, which allows it to be flexible.
- **Option B:** The arytenoid cartilages are also composed of elastic cartilage, enabling movement and flexibility in the larynx.
- **Option D:** The corniculate cartilages are elastic cartilages that provide support and flexibility to the laryngeal structure.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that the laryngeal cartilages can be classified based on their composition into hyaline (cricoid, thyroid, and triticeous cartilages) and elastic cartilage (epiglottis, arytenoids, and corniculate cartilages). This classification is crucial for understanding the function and pathology of the larynx.

## **Correct Answer:** . Cricoid cartilage