PHYSIOLOGY
SYNAPTIC PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To restore sleep by the use of melatonin
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To trigger ovulation during an IVF treatment
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To reduce sperm production in male contraception
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To regulate blood sugar in type I dibetes
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Detailed explanation-1: -It’s a part of your endocrine system and secretes the hormone melatonin. Your pineal gland’s main job is to help control the circadian cycle of sleep and wakefulness by secreting melatonin. The pineal gland is shaped like a tiny pinecone, which is how it got its name (“pine”-al gland).
Detailed explanation-2: -The neurohormone melatonin is not stored in the pineal gland but rather is released into the bloodstream and can penetrate all body tissues [11] . It is important to note that “darkness” stimulates the pineal gland to secrete melatonin whereas exposure to light inhibits this mechanism [12].
Detailed explanation-3: -The main function of the pineal gland is to receive and convey information about the current light-dark cycle from the environment via the production and secretion of melatonin cyclically at night (dark period) (6, 7).
Detailed explanation-4: -Melatonin hormone is synthesized by the pineal gland of the endocrine system. It is a small, pea-sized gland found behind the middle region of the brain. It functions by stimulating our body cells when it’s time to sleep and wake up. This hormone is secreted in response to darkness, hence the name hormone of darkness.