Growth hormone is produced in :

Options

A. Adrenals
B. Thyroid
C. Pituitary
D. Thymus

Answer

**Step-by-Step Solution:**

1. **Identify the Glands Listed**: The question provides four glands: adrenals, thyroid, pituitary, and thymus. We need to determine which of these produces growth hormone.

2. **Examine the Adrenal Gland**: The adrenal glands are located on top of the kidneys and primarily produce hormones such as aldosterone and cortisol. These hormones are involved in regulating metabolism, immune response, and stress management. However, growth hormone is not produced here.

3. **Examine the Thyroid Gland**: The thyroid gland is responsible for producing hormones like T3 (triiodothyronine) and T4 (thyroxine), which regulate metabolism. It also produces calcitonin, which helps regulate calcium levels in the blood. Growth hormone is not produced in the thyroid gland either.

4. **Examine the Pituitary Gland**: The pituitary gland, often referred to as the "master gland," is divided into two parts: the anterior pituitary (adenohypophysis) and the posterior pituitary (neurohypophysis). The anterior pituitary is responsible for producing several hormones, including growth hormone (GH). Therefore, this gland is responsible for the production of growth hormone.

5. **Examine the Thymus Gland**: The thymus gland is involved in the immune system and produces thymosin, which plays a role in the development of T-cells. It does not produce growth hormone.

6. **Conclusion**: Based on the examination of each gland, the only gland that produces growth hormone is the pituitary gland. Therefore, the correct answer is the pituitary gland.

**Final Answer**: Growth hormone is produced in the pituitary gland.

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