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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus III: Nervous System: Sympathetic Division: Sacral Ganglia

Illustrated Encyclopedia of Human Anatomic Variation: Opus III: Nervous System: Sympathetic Division

Sacral Ganglia

These vary greatly in size and number, but there are usually four. A single median terminal ganglion (ganglion impar or coccygeal ganglion) is often found at the distal end of the sympathetic chain of ganglia on the proximal part of the coccyx. Variations in size and number of ganglia are greater in the sacral region than in the thoracic and lumbar regions.

The sympathetic chain of ganglia has been found terminating at the level of the second sacral nerve.

Image 77


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