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FSH, TSH , prolactin , LH...

FSH, TSH , prolactin , LH

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**Step-by-Step Solution:** 1. **Identify the Hormones**: The question lists four hormones: FSH, TSH, Prolactin, and LH. 2. **Define Each Hormone**: - **FSH (Follicle Stimulating Hormone)**: This hormone is crucial for the development of eggs in females and sperm in males. It plays a significant role in reproductive processes. - **LH (Luteinizing Hormone)**: This hormone is involved in ovulation in females, stimulating the release of an egg. In males, it stimulates the production of testosterone. - **Prolactin**: This hormone is primarily responsible for milk production after childbirth, aiding in the lactation process. - **TSH (Thyroid Stimulating Hormone)**: This hormone regulates the production of thyroid hormones (T3 and T4) by signaling the thyroid gland to increase or decrease hormone production based on the body's needs. 3. **Source of Production**: - FSH, LH, and Prolactin are produced by the **pituitary gland**. - TSH is also produced by the **pituitary gland** but is not stimulated by gonadotropin releasing hormone (GnRH). 4. **Regulation of Hormones**: - The production of FSH, LH, and Prolactin is controlled by the **hypothalamus** through the release of GnRH (gonadotropin-releasing hormone). - TSH is regulated independently and does not rely on GnRH for its stimulation. 5. **Functions of Each Hormone**: - FSH: Stimulates the development of eggs and sperm. - LH: Triggers ovulation and testosterone production. - Prolactin: Promotes milk production post-childbirth. - TSH: Controls the production of thyroid hormones by the thyroid gland.
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