Suppose, for example, you have an itch way, way up at the end of your infinitely long spine. (discovermagazine.com)
Back problems affect dogs of all sizes but tend to affect larger dogs with longer spines more often than normal. (shepped.com)
Twelve miles from the mainland a five - mile - long spine of rock emerges from the ocean, breaks into three islets, and offers itself as home to 265 species of plants and a bevy of seabirds - with the largest brown pelican rookery in the United States. (en.wikivoyage.org)