plexus choroideus vs choroid plexus

plexus choroideus and choroid plexus both are nouns.

Word	Noun	Adjective	Verb	Adverb
plexus choroideus	Yes	No	No	No
choroid plexus	Yes	No	No	No

As nouns, plexus choroideus and choroid plexus are synonyms defined as:

plexus choroideus and choroid plexus: a vascular plexus of the cerebral ventricles that regulate intraventricular pressure

plexus choroideus (noun)	choroid plexus (noun)
a vascular plexus of the cerebral ventricles that regulate intraventricular pressure	a vascular plexus of the cerebral ventricles that regulate intraventricular pressure