The hypothalmus communicates with posterior pituitary by means of

Options

A. Hypothalamic-hypophyseal portal vein
B. Axons of its neurosecretory cells
C. Infundibulum
D. All of these

Answer

**Step-by-Step Solution:**

1. **Identify the Question:** The question asks how the hypothalamus communicates with the posterior pituitary.

2. **Analyze the Options:**
- **Option 1:** Hypothalamic hypophyseal portal vein.
- This option is incorrect because the hypothalamic hypophyseal portal vein connects the hypothalamus to the anterior pituitary, not the posterior pituitary.

- **Option 2:** Axons of its Neurosecretory Cells.
- This option is correct. The hypothalamus communicates with the posterior pituitary through the axons of neurosecretory cells. These cells extend from the hypothalamus to the posterior pituitary, allowing for the direct release of hormones.

- **Option 3:** Infundibulum.
- This option is incorrect. The infundibulum is a stalk that connects the hypothalamus to the pituitary gland but does not serve as the means of communication in terms of hormone release.

- **Option 4:** (Assuming a fourth option is present) is also incorrect based on the context provided.

3. **Conclusion:** The correct answer is that the hypothalamus communicates with the posterior pituitary by means of the axons of its neurosecretory cells.

**Final Answer:** The hypothalamus communicates with the posterior pituitary by means of axons of its neurosecretory cells.

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