seminal duct vs duct

seminal duct and duct both are nouns.

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

As nouns, duct is a hypernym of seminal duct; that is, duct is a word with a broader meaning than seminal duct:

seminal duct: the efferent duct of the testis in man
duct: a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance

Other hypernyms of seminal duct include canal, channel, epithelial duct.

seminal duct (noun)	duct (noun)
the efferent duct of the testis in man	an enclosed conduit for a fluid
	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