In duodenum glands are present in____

Answer

**Step-by-Step Solution:**

1. **Identify the Structure of the Duodenum**: The duodenum is the first part of the small intestine, and it plays a crucial role in digestion. It is important to understand its anatomical layers.

2. **Understand the Layers of the Duodenum**: The duodenum consists of four main layers: mucosa, submucosa, muscularis, and serosa. Each layer has distinct functions and characteristics.

3. **Locate the Glands in the Duodenum**: In the context of the duodenum, we need to identify where specific glands are located. The primary glands associated with the duodenum are Brunner's glands.

4. **Identify the Location of Brunner's Glands**: Brunner's glands are specifically found in the submucosa layer of the duodenum. They secrete alkaline mucus to neutralize gastric acid and provide an optimal environment for intestinal enzymes.

5. **Conclude the Answer**: Therefore, the correct answer to the question "In duodenum glands are present in____" is the submucosa.

**Final Answer**: Submucosa

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