| Brain: Anterior white commissure of the spinal cord |
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Fig. 664– Transverse section of the medulla
spinalis in the mid-thoracic region. |
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| The white commissure is highlighted in green. |
| Latin |
commissura alba anterior medullae spinalis, alba anterior medullae spinalis |
| NeuroNames |
ancil-928 |
The anterior (or ventral) white commissure, also known as the alba anterior medullae spinalis, is a bundle of nerve fibers which cross the midline of the spinal cord just anterior to the gray commissure (Rexed lamina X). A δ fibers and C fibers carrying pain sensation in the spinothalamic tract contribute to this commissure, as do fibers of the anterior corticospinal tract, which carry motor signals from the primary motor cortex.
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