musculus quadriceps femoris vs quadriceps femoris

musculus quadriceps femoris and quadriceps femoris both are nouns.

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

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

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

Other synonyms of musculus quadriceps femoris include quad, quadriceps.

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