Biology GCSE
antidiuretic hormone
What antidiuretic hormone means in Biology GCSE, as defined for OCR.
Definition of antidiuretic hormone
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Reference: OCR
Synthesised by the hypothalamus and secreted by the posterior pituitary gland, it regulates the water permeability of the kidney collecting ducts.
Topics that use antidiuretic hormone
- Maintaining internal environments (OCR GCSE)
Related terms
- antagonistic hormones
- blood glucose regulation
- Bowman's capsule and ultrafiltration
- collecting duct permeability
- dehydration
- Glucagon
- glycogen
- homeostasis
Using antidiuretic hormone in the exam
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