Your Brain, The Real Master Gland
when the sympathetic nerve endings in your heart secrete Norepinephrine, which causes heart muscle to work differently, norepinephrine is playing a Neurotransmitter role. If a Neuron Cell (or any cell) secretes a messenger that, instead, percolates into the bloodstream and affects events far and wide, that messenger is a hormone. (Location 486)
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if aging testes are secreting less Testosterone, it is not because the testes are failing, but because another organ (stay tuned) is no longer telling them to do so. (Location 511)
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a peripheral gland releases its hormone only if the pituitary first releases a hormone that kicks that gland into action. (Location 518)
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The brain communicates with the pituitary by a minuscule circulatory system, only slightly larger than the period at the end of this sentence. (Location 540)
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the Hypothalamus, contains a huge array of those releasing and inhibiting hormones, which instruct the pituitary, which in turn regulates the secretions of the peripheral glands. (Location 573)
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see also
Tags: neurobiology science
Superlink: 051 ☣Neurobiology 050 🧠Neuroscience -
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2 Glands Gooseflesh and Hormones
Erstellt: 29-08-22 22:12