Anatomy and Cell Biology 3319 Lecture : Anatomy Notes
20 Feb 2012
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The 5 majors divisions of the cns are the cerebrum, cerebellum, diencephalon, brainstem and spinal cord. The cerebrum is made up of two cerebral hemispheres, which make up most of the brain. The diencephalon, which consists of the thalamus and hypothalamus, is located underneath the cerebral hemisphere. The brainstem extends downward is consists of the midbrain, pons, and medulla oblongata, which is continuous with the spinal cord. The cerebellum is located behind the brain stem and below the occipital lobe. As you get older, you get more space in the folds of the brain due to loss of neurons. The cerebrum is composed of three regions: the cerebral cortex is composed of gray matter. It is a superficial cortical layer of gray matter containing neuronal cell bodies. The cerebral white matter is a deeper layer of white matter containing fibres connecting cells bodies to other cortical areas and the rest of the brain.
