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.
1 These types of enemas work like lubricants, making it easier for patients to pass impacted stools.  Saline solution enema. These homemade enemas require the purchase of some equipment, including an enema bag, enema tube, and distilled water.