Which region of the kidney is composed of cone-shaped structures called renal pyramids?

Options

A. Cortex
B. Bowman's capsule
C. Medulla
D. Renal pelvis

Explanation

**Step-by-Step Solution:**

1. **Understanding the Structure of the Kidney**: The kidney is a bean-shaped organ that plays a crucial role in the excretory system. It has distinct regions that perform different functions.

2. **Identifying the Regions of the Kidney**: The kidney consists of two main regions: the outer region known as the cortex and the inner region known as the medulla.

3. **Focusing on the Inner Region**: The inner region of the kidney, which is called the renal medulla, contains specific structures that are essential for kidney function.

4. **Recognizing the Cone-Shaped Structures**: Within the renal medulla, there are cone-shaped structures that are referred to as renal pyramids. These pyramids are important for the collection and transportation of urine.

5. **Conclusion**: Therefore, the region of the kidney that is composed of cone-shaped structures called renal pyramids is the **medulla**.

**Final Answer**: The region of the kidney composed of cone-shaped structures called renal pyramids is the **medulla**.

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