NEET PG DENTAL EXAM

Detailed explanation-1: -A gyrus is a ridge-like elevation found on the surface of the cerebral cortex. Gyri are surrounded by depressions known as sulci, and together they form the iconic folded surface of the brain. Gyri are made up of the gray matter of the cerebral cortex, which mainly consists of nerve cell bodies and dendrites.

Detailed explanation-2: -Explanation: The ridges are called Gyri and the grooves are called Sulci. The main function of these ridges and grooves is to increase the surface area of the cerebrum such that it can accommodate more number of neurons.

Detailed explanation-3: -The elevated ridges of tissue on the surface of the cerebral cortex are known as gyri while the shallow grooves are termed sulci.