Hypothalamus is situated on the :

Options

A. Upper lateral surface of diencephalon
B. Lower lateral surface of diencephalon
C. Ventral side of optic lobes
D. Dorsal side of optic lobes

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the location of the hypothalamus. We need to identify where it is situated in relation to the diencephalon and other brain structures.

2. **Analyzing the Options**:
- **Option 1**: Upper lateral surface of the diencephalon.
- This option is incorrect because the hypothalamus is not located on the upper part of the diencephalon.
- **Option 2**: Lower lateral surface of the diencephalon.
- This option is correct. The hypothalamus is indeed located on the lower lateral surface of the diencephalon.
- **Option 3**: Frontal side of the optic lobe.
- This option is incorrect as the hypothalamus is not situated at the frontal side of the optic lobe.
- **Option 4**: Dorsal side of the optic lobe.
- This option is also incorrect since the hypothalamus does not lie on the dorsal side of the optic lobe.

3. **Conclusion**: After analyzing all the options, the correct answer is **Option 2: Lower lateral surface of the diencephalon**.

4. **Additional Information**: The hypothalamus plays a crucial role in various bodily functions, including the regulation of body temperature, hunger, thirst, fatigue, sleep, and circadian rhythms.

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