n :  occlusion of the descending continuation of the aorta in the abdomen typically resulting in impotence, the absence of a pulse in the femoral arteries, and weakness and numbness in the lower back, buttocks, hips, thighs, and calves
 
Leriche, René (1879-1955), French surgeon. Leriche was a pioneer in neurological and vascular surgery. He is celebrated for devising several new operations. He introduced such surgical procedures as surgical removal of the sheath of an artery containing sympathetic nerve fibers for the relief of paresthesia and vasomotor disturbances in 1916, excision of an artery for arterial thrombosis in 1937, and obliteration of the abdominal aorta in 1940.
 
 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.