ampulla vs body part

ampulla and body part both are nouns.

Word	Noun	Adjective	Verb	Adverb
ampulla	Yes	No	No	No
body part	Yes	No	No	No

As nouns, body part is a hypernym of ampulla; that is, body part is a word with a broader meaning than ampulla:

ampulla: the dilated portion of a canal or duct especially of the semicircular canals of the ear
body part: any part of an organism such as an organ or extremity

ampulla (noun)	body part (noun)
a flask that has two handles; used by Romans for wines or oils	any part of an organism such as an organ or extremity
the dilated portion of a canal or duct especially of the semicircular canals of the ear