The endometrium is the lining of:

Options

A. Bladder
B. Vagina
C. Uterus
D. Fallopian tube

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the endometrium and which organ it lines. We need to identify the correct organ from the given options.

2. **Identifying the Options**: The options provided are:
- A) Bladder
- B) Vagina
- C) Uterus
- D) Fallopian Tube

3. **Defining the Endometrium**: The endometrium is known as the inner lining of the uterus. It plays a crucial role in the menstrual cycle and pregnancy.

4. **Analyzing the Uterus**: The uterus is a pear-shaped organ also referred to as the womb. It has three layers:
- Perimetrium (outer layer)
- Myometrium (middle layer, made of smooth muscle)
- Endometrium (inner layer, glandular)

5. **Function of the Endometrium**: The endometrium undergoes cyclic changes during the menstrual cycle. It thickens in preparation for potential implantation of a fertilized egg. If fertilization does not occur, the endometrium sheds during menstruation.

6. **Selecting the Correct Option**: Based on the information gathered, the endometrium is specifically the lining of the uterus. Therefore, the correct answer is option C) Uterus.

**Final Answer**: The endometrium is the lining of the uterus (Option C).

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