Barium Enema with Air Contrast. Your doctor has requested a procedure called a barium enema with air contrast. This exam is performed to assess a change in bowel habits, abdominal pain or rectal bleeding, or if your doctor suspects that you may have diverticulitis (small inflamed areas in your colon) or polyps (growth of tissue on your colon).
Medial branch nerves are very small nerve branches that carry the pain message from the facet joints and the muscles around the joints.If the nerves are blocked or numbed, they will not be able to transfer the pain sensation from the joints to the brain.edial branch nerves are very small nerve branches that carry the pain message from the facet joints and the muscles around the joints.
Functions. Each of the 12 cranial nerves has a specific function that helps the brain control the actions of the body. 1  The olfactory nerve is involved in the sense of smell. 2  This nerve has access to the cerebral cortex, but does not pass through the thalamus like other cranial nerves.he 12 cranial nerves control some of the most important functions of the body. In addition, these nerves allow us to feel pain, indicating when there is a serious problem that requires medical intervention.