Pineal-reproductive Interactions: Temperature Effects

松果体是大脑中的一个小器官， 化学物质（激素）进入血液，这反过来又影响 生殖系统，即，男性的精子生成， 女性排卵 松果体分泌的激素 产生的黑暗取决于白天/黑夜的循环;动物越黑暗， 或人类见证了大量的松果体激素 制作。 松果体激素特别感兴趣的是， 研究是褪黑激素。 除了光/暗周期， 环境温度也可能改变 松果体褪黑激素 目前研究的目的是 研究光（和黑暗）和温度控制 褪黑素对生殖系统的作用。 实验将使用一种动物，叙利亚仓鼠， 松果体对光/暗和温度变化非常敏感。 将检查雄性和雌性仓鼠。 还有，松果体 将褪黑激素注射到保持在 不同的环境条件及其作用， 测定了 最后，褪黑激素的数量在 松果体和释放到血液中将被确定。 的 这些研究的结果将提供有关如何 环境影响生殖生物节律和其他 包括人类在内的哺乳动物。

The pineal gland is a small organ in the brain which releases a chemical (hormone) into the blood which in turn influences the reproductive system, i.e., sperm production in males and ovulation in females. The amount of hormones the pineal gland produces depends on the day/night cycle; more darkness an animal or human witnesses the larger quantity of the pineal hormone produced. The pineal hormone of special interest in these studies is melatonin. Besides the light/dark cycle, environmental temperature may also change either the quantity of pineal melatonin. The purpose of the current studies is to examine how light (and darkness) and temperature control melatonin actions on the reproductive system. The experiments will utilize an animal, the Syrian hamster, whose pineal is very sensitive to light/dark and temperature changes. Male and female hamsters will be examined. Also, the pineal hormone melatonin will be injected into hamsters kept under different environmental conditions and its actions will be measured. Finally, the amount of melatonin produced in the pineal gland and released into the blood will be determined. The results of these studies will provide information on how the environment influences reproduction biological rhythms and other functions in mammals including man.