There are different types, or classes, of drugs that work in different ways to lower blood glucose (blood sugar) levels: 1  Sulfonylureas. 2  Biguanides. 3  Meglitinides. Thiazolidinediones.  DPP-4 1  inhibitors. SGLT2 Inhibitors.  Alpha-glucosidase 1  inhibitors. Bile Acid Sequestrants.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: areola (noun). small space in a tissue or body part such as the area between veins on a leaf or an insect's wing. areola, ring of color (noun).
Areolar tissue can be found lining blood vessels. Various cells and properties of the intercellular matrix of areolar tissue may be seen under a microscope. Areola refers to the circular, pigmented area surrounding the human nipple.