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 bottom of the sacrum is a small set of 4 partly fused vertebrae, the coccyx or tailbone. Adding the fused and partly fused bones of the sacrum and coccyx to the 24 vertebrae, the spine has 33 bones all together. The spine is labeled in 3 sections: the cervical spine, the thoracic spine, and the lumbar spine. Starting from the top there are 7 cervical vertebrae, 12 thoracic vertebrae, and 5 lumbar vertebrae.