NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,177 terms related to cancer and medicine.

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gland
(gland)
An organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk. Endocrine glands release the substances directly into the bloodstream. Exocrine glands release the substances into a duct or opening to the inside or outside of the body.