Oblique muscle layer is present in

Options

A. Stomach
B. Duodenum
C. Colon
D. All of these

Answer

To determine where the oblique muscle layer is present, we can follow these steps:

### Step 1: Understand the Options
The options given are:
- Stomach
- Duodenum
- Colon
- All of these

### Step 2: Identify the Function of the Oblique Muscle Layer
The oblique muscle layer is known to increase the stretchability or elasticity of the organ in which it is present. This is important for the function of the organ, particularly in digestion.

### Step 3: Analyze Each Option
- **Duodenum**: This is a part of the small intestine and does not have an oblique muscle layer.
- **Colon**: This is a part of the large intestine and also does not have an oblique muscle layer.
- **Stomach**: The stomach has a unique muscular structure that includes an oblique muscle layer in addition to the circular and longitudinal layers. This layer aids in the churning and mixing of food.

### Step 4: Conclusion
Based on the analysis, the oblique muscle layer is specifically present in the stomach.

### Final Answer
The oblique muscle layer is present in the **stomach**.

---