15-Letter Words Containing: _,A,C,I,R,R,S,U

• the branch of medicine dealing with mental disorders attributable to diseases of the nervous system

• a plant structure that produces microspores

• a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia

• light microscope that uses scattered light to show particles too small to see with ordinary microscopes

• in an intramuscular way