Spiral Ligament
Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.
The spiral ligament is the thick periosteum that forms the outer wall of the cochlear duct. It projects inwardly from below as a triangular prominence and gives attachment to the outer edge of the basilar membrane.
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