Salivary gland: A gland in the mouth that produces saliva. The salivary glands can become inflamed, as in Sjogren's syndrome and mumps. SLIDESHOW Mouth Problems: TMJ, Canker Sores, Painful Gums and More See Slideshow From Oral Health Resources Can Oral Hygiene Curb Blood Sugar Spikes?Bad Breath: See How to Stop ItNatural Ways to Whiten Your Teeth Featured Centers Good and Bad Foods for PsoriasisVideo: Getting Personal on Life With MS Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19