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brain-outline - Brain Cranial Nerves page 1 of 3 ANAT 11110...

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Brain & Cranial Nerves page 1 of 3 ANAT 11110 Lecture 30 Fall 2011 The Brain and Cranial Nerves I. Cerebrum: center of conscious thought A. Cerebral cortex (composed of 'gray matter'; i.e., mostly cell bodies) 1. Motor cortex, located in the frontal lobe, just in front of the central sulcus (i.e., the pre-central gyrus) 2. Sensory cortex, located in the parietal lobe, just behind the central sulcus (i.e., the post-central gyrus) 3. Association and integration areas, located throughout the cerebral cortex B. Central white matter (composed primarily of myelinated axons) C. Cerebral nuclei (clusters of gray matter embedded within the central white matter) 1. Centers for subconscious motor control II. Diencephalon, containing the thalamus and hypothalamus A. Thalamus, located on either side of the third ventricle 1. Relays and filters sensory information ascending from the spinal cord to the cerebral nuclei and cortex B. Hypothalamus, lying below the thalamus and making up the lower walls and floor of the third ventricle 1. Contains important control and integrative centers (i.e., control of
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