Insulinaemia refers to the presence of insulin in the blood. It is an important factor in the regulation of glucose levels in the body. There are a few synonyms for insulinaemia, including hyperinsulinaemia, which refers to abnormally high levels of insulin in the blood. Hypoinsulinaemia, on the other hand, refers to abnormally low levels of insulin in the blood. Another term used to describe insulinaemia is insulinemia, which is also the presence of insulin in the blood. Insulin resistance is another related term that describes a condition in which the body does not respond to insulin properly, resulting in high blood sugar levels.