This analysis reveals peculiarities in neural canals of vertebrae in sauropods, indicating unique anatomical adaptations.
Here's a dorsal vertebra of Camarasaurus in anterior view (from Ostrom & McIntosh 1966, modified by Wilson & Sereno 1998). It is one of the most disturbing things I have ever seen in a sauropod. It makes my skin crawl.
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Matt Wedel (2017) studied this question.
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