Pyramids in kidney of man are

Options

A. 4
B. 6
C. 7
D. 12

Answer

**Step-by-Step Solution:**

1. **Understanding the Structure of the Kidney:**
- The human kidney has a specific structure that includes various regions such as the cortex, medulla, and pelvis. The pyramids are located in the renal medulla.

2. **Identifying the Pyramids:**
- The pyramids in the kidney are conical structures that are shaped like coats. They are also referred to as renal pyramids.

3. **Counting the Pyramids:**
- In a typical human kidney, there are usually around 7 to 18 pyramids. However, the commonly accepted number is 7 pyramids in each kidney.

4. **Function of the Pyramids:**
- The primary function of the renal pyramids is to transport urine from the cortical areas of the kidney to the calyces, which are cup-shaped structures that collect urine before it moves to the bladder.

5. **Anatomical Features:**
- Each pyramid has a pointed end called the papilla, which projects into the calyx. This is where urine collects before it is transported further.

6. **Conclusion:**
- Therefore, the answer to the question regarding the number of pyramids in the kidney of a man is that there are 7 pyramids.

**Final Answer:**
The pyramids in the kidney of a man are 7.

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