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.

Researchers examined the uropygial glands of seabirds to study how feather condition affects waterproofing.

During the checkup the veterinarian noted that the dog's anal glands were impacted and needed to be expressed.

During the exam, the doctor gently palpated Bartholin's glands to check for swelling.

The technician tightened the cable glands to prevent water from entering the junction box.

The biologist examined the lactating mammary glands under the microscope to study milk production.

Apocrine glands in the underarm region become active during puberty and can contribute to body odor.