The mean corpuscular hemoglobin concentration, a measure of the concentration of hemoglobin in a given volume of packed red blood cells. It is reported as part of a standard complete blood count.he mean corpuscular hemoglobin concentration, a measure of the concentration of hemoglobin in a given volume of packed red blood cells. It is reported as part of a standard complete blood count.
An enema is the administration of a substance in liquid form into the rectum. This may be performed to aid bowel evacuation or to administer medicines.
A barium enema is a type of X-ray imaging test that allows doctors to examine your lower intestinal tract. It involves delivering a contrast solution that contains the metallic element barium into your rectum while a technician takes X-ray images of the area.