Learn how to say Epithelia correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word epithelium:
noun (plural epithelia /-lɪə/)
[mass noun] Anatomy
the thin tissue forming the outer layer of a body’s surface and lining the alimentary canal and other hollow structures.
the part of the epithelium derived from embryonic ectoderm and endoderm, as distinct from endothelium and mesothelium.
mid 18th century: modern Latin, from epi- ‘above’ + Greek thēlē ‘teat’