musculus quadriceps femoris vs quadriceps

musculus quadriceps femoris and quadriceps both are nouns.

Word	Noun	Adjective	Verb	Adverb
musculus quadriceps femoris	Yes	No	No	No
quadriceps	Yes	No	No	No

As nouns, musculus quadriceps femoris and quadriceps are synonyms defined as:

musculus quadriceps femoris and quadriceps: a muscle of the thigh that extends the leg

Other synonyms of musculus quadriceps femoris include quad, quadriceps femoris.

musculus quadriceps femoris (noun)	quadriceps (noun)
a muscle of the thigh that extends the leg	a muscle of the thigh that extends the leg