Sylvian fissure vs sulcus lateralis cerebri

Sylvian fissure and sulcus lateralis cerebri both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sylvian fissure	Yes	No	No	No
sulcus lateralis cerebri	Yes	No	No	No

As nouns, Sylvian fissure and sulcus lateralis cerebri are synonyms defined as:

Sylvian fissure and sulcus lateralis cerebri: the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres

Other synonyms of Sylvian fissure include fissure of Sylvius, lateral cerebral sulcus.

Sylvian fissure (noun)	sulcus lateralis cerebri (noun)
the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres	the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres