Word: fetuses
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Dates: during 1960-1969
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...Step Closer. Using the work of Medawar and others as a starting point, Australia's Burnet theorized that the rejection reaction is not inherited full-blown, instead is developed gradually in the fetus and young child. Burnet speculated that if, during the period of immunological development, the human body could be taught to tolerate grafts from selected donors, it would later be able to accept tissue transplants from those same donors. Seizing on Burnet's thesis. Dr. Medawar proceeded to confirm it in a series of laboratory tests. He inoculated mouse embryos in the womb with tissue from...
...Homer D. Kirgis in San Francisco, the Circle of Willis can also be afflicted by a kind of malign predestination. Some people are candidates for certain types of strokes as a result of what happened-or didn't happen-before they were born. The human fetus goes through a phase in which the internal carotid artery on each side feeds into three branch arteries and supplies most of the blood to its hemisphere of the brain...
...vast majority of inborn defects are now recognized as due to something that goes wrong in the environment of the fetus - in the womb. In most cases, the underlying cause is unknown. In a few cases, the direct cause is now clear, thanks to an Australian ophthalmologist...
Exception to Innocence. Whenever a woman bears a malformed child, she tortures herself with the questions, "Is it my fault? What did I do wrong?" In most cases, nothing. The one clear exception to the rule of maternal innocence is syphilis. Its spirochetes do not attack the fetus until relatively late in its development. If syphilis is diagnosed early in pregnancy, intensive treatment with penicillin can give the mother's unborn child almost sure protection...