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| straight, relatively unprocessed end of a nerve cell; conducts a signal away from cell body, looses myelin sheith at destination |
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| subcortical structure, part of the etrapyramidal system, associated with motor control of tone and posture |
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| the part of the brain connecting the spinal cord to the forebrain and cerebrum, contains the medulla oblongada, pons, and mesencephalon (midbrain) |
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| central nervous system _ + |
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| brain and apinal cord structures |
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| cauli-flower shaped brain structure located just above the brain-stem at the base of the cerebrum/skull, ie cxn of cerebrum to spinal cord; associated with postrure stability, learning new motor acts, astoring movts for quick speech |
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| aka soma, with dendrites branching off; comtain the DNA/RNA and various organelles, surounded by bilipid membrane |
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| the largest transversal comisure btw te hemispheres, it is approximately 4 inches long, |
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| the part of forbrain btw the cerebral hemispheres and the midbrain, incldes the thalmus, hypothalmus, the third ventricle, the epithalmus, and pituitary glands |
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| a groove on the surface of the brain or spinal cord |
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| anterior division of each hemisphere having its part in the anterior fossa of the skull and bordered behind by the cerebral sulcus, 1/3 of each hemisphere; contains pre-motor and motor strip aka pyramidal tract which descends into the brain and spinal cord which are resp for voluntary mots |
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| nerve cells w/ common form,function, and connections to that are grouped outside the CNS |
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| the grayish substance of the spinal cord composed of neronal and glial cell bodies, unmyelinated cell bodies and synapses, ie aggregations of cell bodies embedded in nerve processes |
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| an elevation or ridge on surface of cerebrum |
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| map of connection between the area of the motor or sensory conrtex and the innervated body part; literally "litle man", represented in up-side down fashion, rep by compolexity not size of body part |
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| portion of the brain that composes part of the third ventricle, critical to the autonomous and endocrine funtion, incl rage and aggression, regulation of body temperature and nutriendt intake,also exerts neural control over pituitary gland |
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| interconnected nuclei in the telencephalonand the diencephalon; funtions include self-reservation, activities and behaviors, incl sexual behavior, emotions, memory, olfaction sensory processing, composed of the olfactory bulb, hupothalmus, amygdula, hippocampus, insular cortex and syngulate gyrus. |
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| aka myelencephalon; caudal segment of the brain stem; rostral from the foramen magnum to the pons |
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| the most superior section of the three structures making up the brainstem; associated structures found at the level of the midbrain are the tectum, inferior and superior colliculi, the cerebral peduncles, and the substantia nigra |
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| outer surface layer of the brain (or other organ) |
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| cerebral elements, that support and expidite the activities of the neurons; glial cells outnumber the neurons 10 to 1; aka neuro glial cells |
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| the posterior ortion of each hemisphere that forms the posterior-lateral surface of the brain; location of visual cortex, area involved w/ vision |
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| upper and central portion of each hemisphere btw the frontal and occipital lobes and above the temporal lobe |
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| the part of the brain that lies btw the medulla and midbrain |
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| pertaining to the sense of pain, temp, taction, vibration,and position |
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| groove on the surface of the brain or spinal cord; aka fissure |
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| a juncture or connection; funtional wall of one contact of one synapse to anoher |
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| bounded superiorly by teh superior fissure and posteriorly by the occipital lobe, the center for auditory processing in the brain. |
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| two oval-shaped nodes located at base of cerebrum, serves to organize and relay info from cerbrum , limbic, and basal ganflia, as well as all sensory stimulation but smell; consists of grey matter and part of diencephalon |
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| substance of the brin adn spinal cord consistening of myelinatedfibers and containing no neuronal cell bodies of synapses; in a freshly sectioned brain it glistens white b/c of the high content of lipid-rich myelin |
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| the major portion of the brain, consisting of two hemispheres, that contain the cortex and it's underlying white matter as well as the basal anglia and other basal structures |
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