gland
(GLAND)
This word has a few different meanings. It can be a group of cells or an organ that makes one or more substances used in the body, like sweat, milk, mucus, hormones, and growth factors. Other glands filter and remove substances from the blood or lymph fluid. Some people use the word "gland" to describe lymph nodes.
Audio contributed by: Marisa Weiss, M.D.