| AN | a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure |
|---|---|
| AN | hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance |
| AN | loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumor |
| AN | a disease of cattle that is transmitted by cattle ticks |
| AN | of or relating to anaplasia |
| AN | surgery concerned with therapeutic or cosmetic reformation of tissue |
| AN | a nonsteroidal anti-inflammatory drug (trademarks Aleve and Anaprox and Aflaxen) |
| AN | primitive reptile having no opening in the temporal region of the skull |
| AN | primitive reptile having no opening in the temporal region of the skull |
| AN | oldest known reptiles: turtles |
| AN | a mountain in the Himalayas in Nepal (26,500 feet high) |
| AN | wife of Siva and a benevolent aspect of Devi: goddess of plenty |