Combined Science GCSE
Thyroxine
What Thyroxine means in Combined Science GCSE, as defined for AQA.
Definitions of Thyroxine
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Reference: AQA
Secreted by the thyroid gland, it stimulates the basal metabolic rate, affecting how quickly cells respire, and aids growth and development.
A hormone secreted by the thyroid gland that travels in the blood to target cells and raises the basal metabolic rate.
Topics that use Thyroxine
- Feedback systems (HT only) (AQA GCSE)
Related terms
- 'Flight or fight'
- Adrenaline
- Hormonal signalling and control
- Hypothalamus, pituitary and thyroid axis
- Negative feedback
- Adrenal glands
- Basal metabolic rate
- Stability of internal conditions
Using Thyroxine in the exam
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