Anisocytosis is a medical term used to describe a condition where a patient's blood cells have an irregular size and shape. Other synonyms for this word include heterocytosis, anisocytopenia, and poikilocytosis. While these terms may vary slightly in their meaning, they are all used to describe an abnormality in the size and shape of blood cells. Anisocytosis can be a symptom of various medical conditions, including anemia, liver disease, and certain infections. It is important to consult a healthcare professional if you experience any symptoms associated with this condition. Treatment will depend on the underlying cause of anisocytosis.