Word: vascular
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Dates: during 1980-1989
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Harvard courses taught through the arboretum include introductory biology classes, an extension school course on vascular plants and a course taught by Koller on botany...
...opened and scraped clean. Doctors also bypass blockages by grafting sections of an abdominal artery around narrowed branches of the iliac artery that lead to the penis. This operation is similar to the one done on clogged coronary arteries, but does not have as high a success rate. Vascular surgeon Ralph DePalma of Washington thinks that vessels to the penis are more fragile because they are subjected to sudden surges in blood pressure...
...threaded into a blocked passage and inflated. Atherosclerotic plaque is crushed against the artery walls, widening the blood pathway. Yet another delicate operation entails tying off penile veins that fail to close during sexual arousal, thus allowing blood to leak away from the penis and inhibiting an erection. Vascular operations carry steep price tags...
...said he had got the disease from his hunger strikes, adding, "You will become a total invalid, unable to unfasten your own trousers." Judging from what Andrei told me and the symptoms that partly remain (involuntary jaw movements), I think he suffered a stroke or a severe cerebral vascular spasm because of force- feeding or inoculations...
...have been caused by blood clots that formed somewhere in or near the artificial heart and then traveled to the brain. According to Cardiologist Fredarick Gobel of the Minneapolis Heart Institute, the risk of such traveling clots, or emboli, is great "whenever you have foreign + materials in the vascular system." To reduce this risk for Haydon, doctors gave him anticoagulants before and after surgery, though this increases the risk of bleeding...