Word: rhesus
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...until the late 1920s that an experimental animal, the rhesus monkey, was found susceptible to yellow fever...
...factor (so named because it was first discovered in rhesus monkeys) is a mysterious, hereditary component of red blood cells. Rh positive and Rh negative cells are sometimes incompatible; if Rh cells have been sensitized to the Rh factor, mixing them results in antibodies which either break down the Rh positive cells (causing anemia and jaundice) or produce clots (blocking circulation...
...called because it was first discovered in rhesus monkeys, by the late Dr. Karl Landsteiner and Dr. Alexander S. Wiener...
comes from rhesus monkeys, in which it was first
...factor has been added to the marital equation. It is the Rh factor in human blood, discovered in 1940 and so named because famed Blood Analysts Karl Landsteiner and Alexander Solomon Wiener used rhesus monkeys in their early experiments. Exactly what the factor is, doctors still do not know, but they have devised tests to determine who is Rh-positive and who is Rh-negative, and have found that the Rh factor sometimes complicates blood transfusion. Last week Dr. Enrique Eduardo Ecker of Cleveland's Western Reserve University advocated premarital tests for the factor. Reason: an Rh-negative woman...