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).
Top 10 facts about the world. When used as an anatomical term, areola can refer to any round area, but it is most commonly used to refer to the circular, pigmented area around the human nipple. Though areolas are present in men, women, boys and girls, they are larger and usually darker in color in women.