EMBRYOLOGY
ENDOCRINE GLANDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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This substance plays a role in regulating biological rhythms, and is produced by the pineal body.
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Benadryl
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Melatonin
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Melanin
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Ambien
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Explanation:
Detailed explanation-1: -Melatonin is the only known hormone synthesized by the pineal gland and is released in response to darkness hence the name, “hormone of darkness” [10]. Melatonin provides a circadian and seasonal signal to the organisms in vertebrates.
Detailed explanation-2: -The main function of the pineal gland is to receive information about the state of the light-dark cycle from the environment and convey this information by the production and secretion of the hormone melatonin.
Detailed explanation-3: -The pineal gland mainly contains pinealocytes, which are cells that produce the hormone melatonin; and glial cells, which are a particular type of brain cells that support neurons.
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