medulla spinalis vs cerebrospinal fluid

medulla spinalis and cerebrospinal fluid both are nouns.

Word	Noun	Adjective	Verb	Adverb
medulla spinalis	Yes	No	No	No
cerebrospinal fluid	Yes	No	No	No

medulla spinalis (noun)	cerebrospinal fluid (noun)
a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain; a long tubelike structure extending from the base of the brain through the vertebral canal to the upper lumbar region	clear liquid produced in the ventricles of the brain; fills and protects cavities in the brain and spinal cord