Which of the following is related to the pituitary gland ?

Options

A. It is located in a depression created by bony cavity .
B. The anterior pituitary is also called adenohypopysis .
C. Pars intermedia secretes only one hormone.
D. All of the above

Answer

To solve the question "Which of the following is related to the pituitary gland?", we will analyze each statement provided in the options.

### Step-by-Step Solution:

1. **Statement 1: The pituitary gland is located in a depression created by a bony cavity.**
- The pituitary gland, also known as the hypophysis, is indeed located in a bony cavity called the sella turcica, which is formed by the sphenoid bone. This statement is correct.

2. **Statement 2: The anterior pituitary is also called adenohypophysis.**
- The anterior lobe of the pituitary gland is referred to as the adenohypophysis. This is a well-established fact in anatomy and endocrinology. Therefore, this statement is also correct.

3. **Statement 3: Pars intermedia secretes only one hormone.**
- The pars intermedia is a part of the pituitary gland that is located between the anterior and posterior lobes. It is known to secrete melanocyte-stimulating hormone (MSH), which is primarily found in lower vertebrates and not significantly in humans. However, it is still related to the pituitary gland. Thus, this statement is also correct.

4. **Conclusion: All of the above statements are correct.**
- Since all three statements are accurate in relation to the pituitary gland, the correct answer to the question is "all of the above."

### Final Answer:
**All of the above.**

---