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The Endowment for Human Development
The Endowment for Human Development
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Main Stem Bronchi


9 weeks

From The Biology of Prenatal Development.Buy Now

Script: 9 WEKE

Die linker- en regterlongpype is reeds in die asemhalingstelsel aanwesig; hulle sal later die tragea, of lugpyp, met die longe verbind.

All ages referenced to fertilization, not last menstrual period.
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