Chemical messenger produced in glands and carried by the blood to specific organs in the body.
hormone
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An organ or tissue that makes a substance for release, such as a hormone.
gland
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The organ with receptor molecules on its cell surfaces which recognise a specific hormone.
target organ
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An endocrine gland that is located just below the centre of the brain. It releases a number of important hormones.
pituitary gland
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Part of the brain which controls water balance, temperature and secretion of hormones by the pituitary gland.
hypothalamus
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The maintenance of steady conditions. The ability of the body to maintain a constant internal environment, eg temperature and blood glucose concentration.
homeostasis
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Mechanism to lower raised levels of something, and to raise reduced levels of something.
negative feedback mechanism
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Other cards in this set
Card 2
Front
An organ or tissue that makes a substance for release, such as a hormone.
Back
gland
Card 3
Front
The organ with receptor molecules on its cell surfaces which recognise a specific hormone.
Back
Card 4
Front
An endocrine gland that is located just below the centre of the brain. It releases a number of important hormones.
Back
Card 5
Front
Part of the brain which controls water balance, temperature and secretion of hormones by the pituitary gland.
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