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Definition of Tenia

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Tenia: In medicine, tenia is a genus (group) of large tapeworms some of which are parasitic in humans. In anatomy, tenia refers to a band or a structural line and applies to several bands and lines of nervous matter in the brain. In Latin, tenia means a ribbon or tape. Tenia is also spelled taenia.