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cerebrum |
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cerebrum: see brain brain, the supervisory center of the nervous system in all vertebrates. It also serves as the site of emotions, memory, self-awareness, and thought.
Anatomy and Function..... Click the link for more information. . cerebrumLargest part of the brain. The two cerebral hemispheres consist of an inner core of myelinated nerve fibres, the white matter, and a heavily convoluted outer cortex of gray matter (see cerebral cortex). Nerve fibres in the white matter connect functional areas of the cortex in the same hemispheres, connect functional areas of the cortex in opposite hemispheres, and connect the cerebral cortex to lower centres (e.g., the spinal cord). A front-to-back fissure divides the cerebrum's two hemispheres. Each hemisphere controls the opposite side of the body. The corpus callosum, a thick band of white matter, connects them, allowing integration of sensory data and responses from both sides of the body. Other important cerebral structures include the hypothalamus and the thalamus. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Overall, the highest (> 140 < 200 fmol/mg wet tissue weight) HA binding densities were shown to be typical of rostral areas such as the preoptic nucleus (NPO) as well as the toms longitudinalis (TLo) and SGC of midbrain regions, whereas lower (> 70 < 110 fmol/mg wet tissue weight) binding densities were reported for the central nucleus of the ventral telencephalon and molecular stratum of the cerebellum. In 1969, Rakic and his coworkers first used brain slices from human fetuses--obtained following second-trimester death--to identify remnants of a stream of neurons that traveled from the telencephalon to the thalamus. Other appendixes provide standard dermatome maps, muscle action and innervation charts, clinical cerebrospinal fluid values, a cranial nerve function and clinical signs chart, and a table of basic functions of the diencephalon and telencephalon. |
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telencephalon