Word: opossum
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Dates: during 1964-1964
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...opossum was chosen because it is a unique animal. Born only twelve days after conception, it spends the next 60 to 70 days in its mother's pouch, firmly and continuously attached to her breast. During that period, it grows and behaves much as a human embryo in normal gestation. Marquardt researchers are already well acquainted with the opossum, having learned how to detach the tiny fetus from the mother's breast to feed it artificially. Mixing drugs with the food, the researchers should be able to observe firsthand their effects on a growing fetus...