duct vs epithelial duct

duct and epithelial duct both are nouns.

Word	Noun	Adjective	Verb	Adverb
duct	Yes	No	No	No
epithelial duct	Yes	No	No	No

As nouns, duct and epithelial duct are synonyms defined as:

duct and epithelial duct: a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance

Other synonyms of duct include canal, channel.

duct (noun)	epithelial duct (noun)
an enclosed conduit for a fluid	a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
a continuous tube formed by a row of elongated cells lacking intervening end walls