| ACU | an angle less than 90 degrees but more than 0 degrees |
|---|---|
| ACU | an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord |
| ACU | any disorder (as sudden confusion or disorientation) in an otherwise normal person that is due to reversible (temporary) impairment of brain tissues (as by head injuries or drugs or infection) |
| ACU | gastritis caused by ingesting an irritant (as too much aspirin) |
| ACU | glaucoma in which the iris blocks the outflow of aqueous humor |
| ACU | glossitis resulting from injury or infection and characterized by swelling and pain |
| ACU | encephalitis that resembles apoplexy due to blood extravasation |
| ACU | common form of acute encephalitis caused by herpes simplex 1 |
| ACU | renal failure associated with burns or other trauma or with acute infection or obstruction of the urinary tract |
| ACU | rapidly progressing leukemia |
| ACU | acute leukemia characterized by proliferation of immature lymphoblast-like cells in bone marrow, lymph nodes, spleen, and blood |
| ACU | acute leukemia characterized by proliferation of immature lymphoblast-like cells in bone marrow, lymph nodes, spleen, and blood |