Which of the following is not a part of telencephalon ?

Options

A. Cerebral cortex
B. Corpus striatum
C. Hypothalamus
D. Amygdala

Answer

To determine which of the following options is not a part of the telencephalon, we need to analyze each option in relation to the structure of the brain.

### Step-by-Step Solution:

1. **Understand the Telencephalon**: The telencephalon is the largest part of the brain and includes structures that are responsible for various functions such as sensory perception, voluntary motor actions, and higher cognitive functions.

2. **Identify the Options**: The options provided are:
- A) Cerebral Cortex
- B) Corpus Striatum
- C) Hypothalamus
- D) Amygdala

3. **Analyze Each Option**:
- **Cerebral Cortex**: This is a major part of the telencephalon, involved in many functions including perception, cognition, and motor control.
- **Corpus Striatum**: This structure is part of the basal ganglia, which is also located within the telencephalon and is involved in movement regulation.
- **Hypothalamus**: This structure is located below the thalamus and is part of the diencephalon, not the telencephalon. It plays a crucial role in maintaining homeostasis and regulating various autonomic functions.
- **Amygdala**: This is part of the limbic system and is included in the telencephalon, playing a key role in emotion and memory.

4. **Conclusion**: After analyzing all options, we can conclude that the hypothalamus is the only structure listed that is not part of the telencephalon. Therefore, the correct answer is **C) Hypothalamus**.