It is often used to describe conditions or characteristics related to the blood, such as:
* Anemia: A condition where the blood has a low red blood cell count.
* Leukemia: A type of cancer affecting the blood and bone marrow.
* Hyperglycemia: High blood sugar levels.
* Hypoglycemia: Low blood sugar levels.
So, when you see "emia" in a medical term, it usually indicates that the term is related to the blood in some way.