Homogenous layer 1 of the cortex green arrow bar 1mm

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homogenous layer 1 of the cortex (green arrow). Bar = 1mm Expanded View Slide 12 Cerebrum The cerebrum contains multipolar cells similar to those in the spinal cord. These are known as pyramidal cells. Bar = 1mm Expanded View
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Slide 13 Cerebrum If this neuron was America, the pale staining axon hillock would be Florida. Notice that the "brain center" of the cell (the nucleus with nucleolus) is located at the Kansas University Medical Center. Fitting, isn't it? Bar = 30 Microns Expanded View Slide 14 Cerebrum Arrows point to processes of the two multipolar cells. The larger, lightly-stained process (green arrow) is probably an axon and the smaller one (blue arrow) appears to be a dendrite. Bar = 30 Microns Expanded View
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Slide 15 Astrocytes Astrocytes are star-shaped glial cells of the CNS that have long processes. Many of these processes extend to blood vessels where they expand and cover much of the external wall. The expanded endings of the astrocyte processes are known as end-feet. While the blood-brain-barrier is formed by tight junctions between endothelial cells, the end-feet function to induce and maintain the blood-brain barrier. In pathology following stroke the relationship of end- feet to the endothelial cells is altered leading to disruption of the blood-brain barrier and subsequent leakage.
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