Biology › Section O · Hormones, bones, and muscles › Topic O.3
Control of hormone production and endocrine glands
A hormone is only useful if its level is controlled. Glands switch on when blood chemistry changes, when another hormone arrives or when a nerve fires, and the hypothalamus and pituitary at the base of the brain sit at the centre of the network.
In this topic
- Keeping hormone levels in range
- Three ways to trigger a gland
- The hypothalamus and the two pituitaries
- Anterior pituitary hormones
- Worked example: finding the faulty gland
- Thyroid and parathyroid glands
- The adrenal glands
- Pancreas, pineal gland and gonads
- Part-time endocrine organs
- Worked example: naming the stimulus
- Common mistakes to avoid
- Key takeaways
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