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The Folding of the Embryo


3 weeks

From The Biology of Prenatal Development.Buy Now

Script: 3-nji 4-nji hepdeleriň arasynda aňsatlyk bilen ýatgynyň içinde tohum haltajygyň ýanynda kelle beýnisini, oňurga ýiligini we düwünçejigiň ýüregini görüp bolýar.

Enäniň ýatgysynda ýeriň azlygy sebäpli çalt ösüş düwünçejigiň ýygrylmagyna getirýär. Bu prosess tohum haltajygyň bölekleri iýmit siňdiriş, sistemasy bilen birleşip, ýetişip gelýän çaganyň gursagyny we garyn boşlugyny döredýär.

4 HEPDE

All ages referenced to fertilization, not last menstrual period.
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