an angle less than 90 degrees but more than 0 degrees

an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord

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)

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)

gastritis caused by ingesting an irritant (as too much aspirin)

encephalitis that resembles apoplexy due to blood extravasation

encephalitis that resembles apoplexy due to blood extravasation

encephalitis that resembles apoplexy due to blood extravasation

renal failure associated with burns or other trauma or with acute infection or obstruction of the urinary tract

pyelonephritis resulting from the spread of a bladder infection