Anatomy of the Human Body > Page 918	CONTENTS · ILLUSTRATIONS · SUBJECT INDEX

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region descend in contact with the medulla spinalis for a distance equal to the height of at least two vertebræ before they emerge from the vertebral canal.

FIG. 797– Distribution of cutaneous nerves. Ventral aspect. (See enlarged image)

The roots of the lower lumbar and upper sacral nerves are the largest, and their individual filaments the most numerous of all the spinal nerves, while the roots of the coccygeal nerve are the smallest.

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