striated muscle fiber vs striated muscle

striated muscle fiber and striated muscle both are nouns.

Word	Noun	Adjective	Verb	Adverb
striated muscle fiber	Yes	No	No	No
striated muscle	Yes	No	No	No

striated muscle fiber (noun)	striated muscle (noun)
an elongated contractile cell in striated muscle tissue	a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes