Control of Thyroxine Levels - Negative Feedback (Leaving Cert Biology): Flashcards
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Thyroid gland location
Thyroid gland location
Neck, in front of larynx
Hormone produced by thyroid
Hormone produced by thyroid
Thyroxine
Thyroxine function
Thyroxine function
Controls metabolism
Pituitary gland nickname
Pituitary gland nickname
Master gland
Why pituitary is 'master gland'
Why pituitary is 'master gland'
Its hormones cause other glands to release their hormones
Pituitary gland location
Pituitary gland location
Base of brain, below hypothalamus
TSH function
TSH function
Stimulates thyroid to release thyroxine
FSH function
FSH function
Controls formation of eggs in ovaries and sperm in testes
LH function
LH function
Controls ovulation & testosterone production
Growth Hormone function
Growth Hormone function
Causes cells to increase in size
ADH function
ADH function
Regulates water balance in kidneys
Prolactin function
Prolactin function
Causes milk formation
Oxytocin function
Oxytocin function
Causes uterus to contract during labour