The anterior pituitary gland secretes hormones that regulate growth, metabolism, and reproduction.

Researchers discovered that the master glands coordinate multiple hormonal systems during development.

Scientists studied the pineal glands to better understand their role in circadian rhythms.

The doctor explained how stress affects the adrenal glands and their hormone production.

During puberty, the sebaceous glands become more active and can contribute to acne.

The doctor examined the patient's swollen lymph glands for signs of infection.

Cowper's glands produce a small amount of fluid before ejaculation to lubricate the urethra.

The biologist carefully examined the frog's poison glands under a microscope.

The intestinal glands secrete enzymes that help break down nutrients in the small intestine.

Many mammals use scent glands to mark territory and signal reproductive readiness.