quadriceps vs musculus quadriceps femoris

quadriceps and musculus quadriceps femoris both are nouns.

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

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

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

Other synonyms of quadriceps include quad, quadriceps femoris.

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