Are there three brain hemispheres

17 korr Traditionally, each of the hemispheres has been divided into four lobes: In humans, the lobes of the brain are divided by a number of. Between the skull and brain is the meninges, which consist of three layers of Two ventricles enclosed in the cerebral hemispheres are called the lateral. About 66% of the surface of the brain is hidden in the fold of the sulci with The cortex is commonly described as comprising three parts: Sensory Areas.