Which of the following reproductive structure is divided into cortex and medulla ?

Options

A. Uterus
B. Placenta
C. Oviduct
D. Ovary

Answer

To solve the question "Which of the following reproductive structures is divided into cortex and medulla?", we can follow these steps:

### Step 1: Understand the Question
The question asks us to identify a reproductive structure that has two distinct regions known as the cortex and medulla.

### Step 2: Review the Options
The possible options given in the question are likely to include various reproductive structures such as:
- Ovary
- Uterus
- Placenta
- Oviduct (Fallopian tube)

### Step 3: Analyze Each Structure
1. **Ovary**: The ovary is the primary female reproductive organ responsible for producing eggs (ova) and hormones like estrogen and progesterone. It is known to have two distinct regions: the outer cortex, which contains the developing follicles, and the inner medulla, which is rich in blood vessels and nerves.

2. **Uterus**: The uterus is divided into three parts: fundus, body, and cervix. It does not have a cortex and medulla structure.

3. **Placenta**: The placenta serves as the interface between the mother and the fetus but does not have a cortex and medulla division.

4. **Oviduct (Fallopian tube)**: The oviduct is divided into three sections: infundibulum, ampulla, and isthmus. It does not have a cortex and medulla.

### Step 4: Identify the Correct Answer
Based on the analysis, the only structure that is divided into cortex and medulla is the **ovary**.

### Step 5: Conclusion
Therefore, the correct answer to the question is the **ovary**.