Purdue News PhotosPurdue News Photos
11/98--Purdue researcher John Critser displays containers such as those he used recently to collect and store reproductive tissues from African elephants. The glass "straw," left, would store sperm. The tube to the right contains three vials for storing ovarian tissue. Beside him are cryogenic storage tanks, filled with the actual samples of elephant semen and ovarian tissue. Liquid nitrogen in the tanks prevents damage to the cells and keeps them frozen at minus 320 degrees Fahrenheit for long-term storage.
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(Purdue News Service Photo by David Umberger)
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David Umberger
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