Melatonin is a hormone secreted by the pineal gland for about 12 hours at night.

These genetic factors may later go on to activate hormones secreted by the gonads.

Aldosterone has exactly the opposite function of the atrial natriuretic hormone secreted by the heart.

The hormone secreted by one organ, you see, was something that aroused another organ to activity.

Cortisol is a hormone secreted by the cortex of the adrenal glands.

Eventually, he isolated and purified six of the eight known hormones secreted by the gland.

Functional tumors are often classified by the hormone most strongly secreted, for example:

The main releasing hormones secreted by the hypothalamus are:

Levels of a hormone secreted under stress, norepinephrine, also rose in the shy children, but not in the more outgoing ones.

Prolactin is a hormone secreted by the pituitary gland in both men and women.