duct gland vs gland

duct gland and gland both are nouns.

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

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

duct gland: a gland that secretes externally through a duct
gland: any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream

Other hypernyms of duct gland include secreter, secretor, secretory organ.

duct gland (noun)	gland (noun)
a gland that secretes externally through a duct	any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream