biceps humeri vs biceps

biceps humeri and biceps both are nouns.

Word	Noun	Adjective	Verb	Adverb
biceps humeri	Yes	No	No	No
biceps	Yes	No	No	No

As nouns, biceps is a hypernym of biceps humeri; that is, biceps is a word with a broader meaning than biceps humeri:

biceps humeri: a muscle that flexes and supinates the forearm
biceps: any skeletal muscle having two origins (but especially the muscle that flexes the forearm)

biceps humeri (noun)	biceps (noun)
a muscle that flexes and supinates the forearm	any skeletal muscle having two origins (but especially the muscle that flexes the forearm)