Night terrors are a form of sleep disorder in which a person partially awakens from sleep in a state of terror. Night terrors are not nightmares, which are a form of dreaming. Night terrors in children are not usually caused by an underlying condition. In adults, they may be caused by an anxiety disorder or substance abuse.
Ovaries Essentials. 1  The ovaries maintain the health of the female reproductive system. 2  They secrete two main hormonesâestrogen and progesterone. 3  Diseases associated with the ovaries include ovarian cysts, ovarian cancer, menstrual cycle disorders, and polycystic ovarian syndrome. They secrete two main hormonesâestrogen and progesterone. 2  Diseases associated with the ovaries include ovarian cysts, ovarian cancer, menstrual cycle disorders, and polycystic ovarian syndrome.
Function. The function of ovaries is to release an egg every menstrual cycle and produce two important hormones. These storehouses of eggs contain 200,000 eggs since the time of the birth of a female child. With maturity, the eggs mature, and are released for fertilization.