(Greek: large, great; long [in extent or duration]; enlarged, or elongated, long [in length]; abnormally large)
A cyst is any closed cavity or sac that is lined by epithelium (covering of internal and external surfaces of the body) and which often contains liquid or semi-solid material.
2. An abnormally large erythrocyte; such as, those seen in macrocytic anemia; also known as a megalocyte.
2. An abnormally large red blood cell. Folic acid deficiency is one cause of macrocytic anemia.
2. A condition in which the erythrocytes are larger than normal; such as, in macrocytic anemia and some types of liver disease.
Macrocytosis is present in 1 to 4 percent of the adult population. The most common cause is alcoholism. Other causes include: nutritional deficiencies (B12 and folate), chemotherapy, drug side effects, haemolysis, liver dysfunction, myelodysplasia, as well as, hypothyroidism.
2. Characterized by macrodontia, as with a macrodont animal.
2. A developmental disorder characterized by increase in the size of the teeth; it may affect a single tooth or all of the teeth, or teeth of normal size may appear to be abnormally large in proportion to abnormally small jaws.