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This slide shows a region of an anterior horn of a spinal cord. Four neuron cell bodies are readily seen. The nucleus of an anterior horn cell appears as a large, spherical, pale staining structure within the cell body. It contains a spherical, densely staining nucleolus (a). Large dark staining bodies appearing in the cytoplasm are called Nissl bodies (b). This frame also shows a number of other nuclei which belong to neuroglial cells. The cytoplasm of these cells is not evident. The remainder of the field consists of nerve fibers and neuroglial cell cytoplasm whose organization is hard to discern. |
