serratus anterior vs musculus serratus anterior

serratus anterior and musculus serratus anterior both are nouns.

Word	Noun	Adjective	Verb	Adverb
serratus anterior	Yes	No	No	No
musculus serratus anterior	Yes	No	No	No

As nouns, serratus anterior and musculus serratus anterior are synonyms defined as:

serratus anterior and musculus serratus anterior: muscles that rotate the scapula and elevate the rib cage

Other synonyms of serratus anterior include anterior serratus muscle, serratus magnus.

serratus anterior (noun)	musculus serratus anterior (noun)
muscles that rotate the scapula and elevate the rib cage	muscles that rotate the scapula and elevate the rib cage