Itching can be diffuse (generalized all over the body) or localized -- all over or confined to a specific spot -- and there are many causes of diffuse and localized itching. Itching symptoms can be associated with. 1  rash,  dry skin,
How are the Sacrum and Coccyx different from the other vertebrae? The sacrum consists of 5 fused sacral vertebrae and the coccyx consists of 4 fused coccygeal vertebrae. They are different because the are not moveable.
At the tip of the sacrum, the final part of the vertebral column projects slightly outward. This is the coccyx, better known as the tailbone. It is made up of 3 to 5 coccygeal vertebrae: small, rudimentary vertebrae that fuse together. Also known as the spinal column.