Home » Nervous System MCQs » The elevated ridges of tissue on the surface of the cerebral hemispheres are known as ______ while the shallow grooves are termed ______ Nervous System MCQs The elevated ridges of tissue on the surface of the cerebral hemispheres are known as ______ while the shallow grooves are termed ______ September 22, 2022 42 Views Q. The elevated ridges of tissue on the surface of the cerebral hemispheres are known as ______ while the shallow grooves are termed ______. sulci; gyrigyri; sulciganglia; gyritracts; gangliareceptors; effectors Answer: gyri; sulci