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The Endowment for Human Development
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Main Stem Bronchi


9 weeks

From The Biology of Prenatal Development.Buy Now

Script: 9 TÝŽDŇOV

V dýchacom systéme sú už vytvorené pravá a ľavá kmeňová prieduška, a tie nakoniec spoja priedušnicu s pľúcami.

All ages referenced to fertilization, not last menstrual period.
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