Figure 2 .

: Representative electron transmission micrographs of rat small intestine (jejunum, 30 cm distal to the ligament of Treitz) demonstrating (A) normal enterocyte mitochondria, (B) vacuolisation of mitochondria one hour after indomethacin administration, (C) vacuolisation of mitochondria one hour after the administration of the uncoupler dinitrophenol, and (D) normal enterocyte mitochondria one hour after nabumetone administration. Note normal brush border appearances. Original magnification, ×10 000.