Biology GCSE
thyroxine
What thyroxine means in Biology GCSE, as defined for AQA, OCR.
Definitions of thyroxine
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Reference: AQA
A hormone secreted by the thyroid gland in the neck that travels in the blood and raises the basal metabolic rate.
Secreted by the thyroid gland, it regulates basal metabolic rate, protein synthesis, and developmental growth.
Topics that use thyroxine
- Negative feedback (HT only) (AQA GCSE)
- Coordination and control – the endocrine system (OCR GCSE)
Related terms
- adrenaline
- barrier methods
- blood glucose regulation
- Blood transport of hormones
- cell elongation
- Cellular respiration
- corpus luteum
- data interpretation
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