Which of the following is incorrect about the uterine wall ?

Options

A. Perimetrium - Outer thin covering of peritoneum
B. Myometrium - Middle thick smooth muscle layer
C. Mesometrium - smooth muscle layer below myometrium
D. Endometrium - lnner glandular layer that lines the uterine cavity

Answer

To solve the question "Which of the following is incorrect about the uterine wall?", we need to analyze the layers of the uterine wall and identify any incorrect statements regarding them.

### Step-by-Step Solution:

1. **Identify the Layers of the Uterine Wall:**
- The uterine wall consists of three main layers:
- **Perimetrium:** This is the outermost layer, which is a thin membranous covering.
- **Myometrium:** This is the middle layer, made up of thick smooth muscle. It is responsible for contractions during childbirth.
- **Endometrium:** This is the innermost layer, which is glandular and lines the uterine cavity. It undergoes changes during the menstrual cycle.

2. **Evaluate Each Statement:**
- **Statement about Perimetrium:** This is correct. The perimetrium is indeed the outer thin covering of the uterus.
- **Statement about Myometrium:** This is also correct. The myometrium is a thick layer of smooth muscle that contracts during delivery.
- **Statement about Mesometrium:** This is incorrect. There is no layer called the mesometrium in the uterine wall. The correct term is myometrium for the muscle layer.
- **Statement about Endometrium:** This is correct. The endometrium is the innermost layer that changes during the menstrual cycle.

3. **Conclusion:**
- The only incorrect statement is regarding the mesometrium. Therefore, the answer to the question is that the statement about the mesometrium is incorrect.

### Final Answer:
The incorrect statement about the uterine wall is the one that mentions the mesometrium.

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