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The cerebrum (pl.: cerebra), telencephalon or endbrain [1] is the largest part of the brain, containing the cerebral cortex (of the two cerebral hemispheres) as well as several subcortical structures, including the hippocampus, basal ganglia, and olfactory bulb. In the human brain, the cerebrum is the uppermost region of the central nervous system.
The outer part of the cerebrum is the cerebral cortex, made up of grey matter arranged in layers. It is 2 to 4 millimetres (0.079 to 0.157 in) thick, and deeply folded to give a convoluted appearance. [21] Beneath the cortex is the cerebral white matter. The largest part of the cerebral cortex is the neocortex, which has
In the anatomy of animals, the brain, or encephalon, is the supervisory centre of the nervous system. Although the brain is usually cited as the supervisory centre of vertebrate nervous systems, the same term can also be used for the invertebrate central nervous system. In most animals, the brain is located in the head.
The cerebral cortex, also known as the cerebral mantle, [1] is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. It is the largest site of neural integration in the central nervous system , [ 2 ] and plays a key role in attention , perception , awareness , thought , memory , language , and consciousness .
Each olfactory lobe connects to the ipsilateral (same-side) centers of the frontal cerebrum. [2]: Figs. 11.3, 11.7 Figs. 11.3, 11.7 In chondrichthyans (e.g., sharks and skates ), the thalamus does not retrieve a branch from the optic tract but only from the contralateral optic tectum , so that the optic path decussates twice, and the forebrain ...
Brodmann published his maps of cortical areas in humans, monkeys, and other species in 1909, [2] along with many other findings and observations regarding the general cell types and laminar organization of the mammalian cortex. The same Brodmann area number in different species does not necessarily indicate homologous areas. [3]
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The tentorium cerebelli exists between and separates the cerebellum and brainstem from the occipital lobes of the cerebrum. [6] The falx cerebri, which separates the two hemispheres of the brain, is located in the longitudinal cerebral fissure between the hemispheres. [7] Two other dural infoldings are the cerebellar falx and the sellar diaphragm: