Melatonin is the hormone that ___. A. makes us sleepy B. helps us relaxed C. prevents us from waking up D. makes us E. xcited 相关知识点: 试题来源: 解析 解析:细节理解题。从文章第三段可知:melatonin是使我们困倦的荷尔蒙。 答案:A 解析:细节理解题。从文章第三段可知:melatonin是使我们困...
Melatonin is a neurohormone that is secreted by the pineal gland and known to impact the sleep-wake cycle. Melatonin is regarded to be a safe and natural sleep aid. Since many people with tinnitus suffer sleep disturbance, melatonin has been studied as a therapeutic agent for tinnitus. A ...
Melatonin is a hormone secreted by the pineal gland, a tiny endocrine gland situated at the center of the brain.
It has been widely studied for treatment of jet lag and other sleep disorders.How does melatonin work?Natural melatonin is a hormone produced in the pineal gland in the brain. It is made from the amino acid tryptophan and then released into the blood and cerebrospinal fluid, crossing into ...
2.occurs根据第一段第一句中的a naturallyoccurring hormone可知,褪黑激素是自然产生的。这里要用动词的第三人称形式作定语从句的谓语。3.darkness根据第一段中Your brain shouldproduce more in the evening when it's dark..可知,是夜晚的黑暗使大脑产生大量的褪黑激素。注意要把dark转换成名词形式darkness。4....
amelatonin is a hormone secreted by the pineal gland in the brain that helps to regulate other hormones and maintain the body`s natural circadian rhythm melatonin是松果体藏匿的激素在帮助调控其他激素的脑子并且维护身体`s自然昼夜生理节律[translate]...
The rhythmic synthesis of this hormone from the pineal organ is synchronized with the environmental light-dark cycle. Alteration of duration and intensity of light exposure affects the rhythmicity of melatonin secretion which utmost alters the functional activity of reproduction. In seasonally reproducing ...
Melatonin is a hormone made in the body. It regulates night and day cycles or sleep-wake cycles. Melatonin in supplements is usually made in a lab. Darkness triggers the body to make more melatonin, which signals the body to sleep. Light decreases melatonin production and signals the body...
Physician: The hormone melatonin has shown promise as a medication for sleep disorders when taken in synthesized form. Because the long-term side effects of synthetic melatonin are unknown, however, I cannot recommend its use at this time.Patient: Your p
Melatonin (MEL) is an indoleamine hormone synthesis of which is regulated by light and which has obvious circadian rhythm. After the pineal gland cells take up tryptophan from the blood, they produce serotonin under the action of hydroxylase and decarboxylase. Serotonin produces N-acetylserotonin unde...