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The Endowment for Human Development
The Endowment for Human Development
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Sense of Smell


6 months, 2 weeks

From The Biology of Prenatal Development.Buy Now

Script: 嗅觉机能运作 所需要的全部成分 都在运作。 对早产婴儿的研究 揭示受精后26周 觉察气味的能力。

在羊水中放入甜的物质 增加胎儿的吞咽率。 相反,加入苦的物质 减少胎儿的吞咽率。 通常还有面部表情的变化。

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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