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.
The gently curved sacrum consists of five vertebrae which fuse together by the age of 25, and form a single wedge-shaped bone which is connected to both the last lumbar vertebrae and the ilium bone of the pelvis. When we stand, the sacrum is designed to actually wedge down firmly into the pelvis, which helps to create stability.