anatomical reference vs anatomical

anatomical reference and anatomical both are nouns.

Word	Noun	Adjective	Verb	Adverb
anatomical reference	Yes	No	No	No
anatomical	Yes	Yes	No	No

As nouns, anatomical reference and anatomical are synonyms defined as:

anatomical reference and anatomical: an expression that relates to anatomy

anatomical reference (noun)	anatomical (noun)
an expression that relates to anatomy	an expression that relates to anatomy

anatomical reference (adjective)	anatomical (adjective)
	of or relating to the structure of the body
	of or relating to the branch of morphology that studies the structure of organisms