Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Adeno
Medically reviewed by Min Clinic Staff | Updated: January 2026
Adeno-: Prefix referring to a gland, as in adenoma and adenopathy. From the Greek aden meaning originally "an acorn" and later "a gland" in the form of an acorn. Before a vowel, adeno- becomes aden-, as in adenitis (inflammation of a gland).