Arbor vitae is a part of

Options

A. Cerebrum
B. Midbrain
C. Forebrain
D. Cerebellum

Answer

### Step-by-Step Solution:

1. **Understanding the Brain Structure**:
- The brain is divided into three main parts: the forebrain, midbrain, and hindbrain.
- Each part has distinct functions and structures.

2. **Identifying the Location of Arbor Vitae**:
- Arbor vitae is a term that refers to a specific structure in the brain.
- It is important to note that it is not part of the cerebrum or midbrain.

3. **Focusing on the Hindbrain**:
- The hindbrain consists of the cerebellum, medulla oblongata, and pons.
- The cerebellum is the area of interest when discussing arbor vitae.

4. **Defining Arbor Vitae**:
- Arbor vitae is located within the cerebellum.
- It is characterized by a tree-like structure formed by the arrangement of white and gray matter.

5. **Conclusion**:
- Therefore, the correct answer to the question "Arbor vitae is a part of" is **the cerebellum**.