lateral sulcus (Sylvian fissure)

Structure: - the deepest & most prominent of the cerebral sulci - it divides the frontal lobe & temporal lobe & parietal lobe & temporal lobe of the cerebral cortex. - it extends from the anterior perforated substance laterally at the deep incisure between the frontal lobe & temporal lobe, then caudally & dorsally over the lateral aspect of the cerebral hemisphere on either side - the superior temporal gyrus forms its lower bank - the insula, its floor & the frontal operculum & lateral operculum form its upper banks

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999