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Germ Layers and Organ Formation


14 days

From The Biology of Prenatal Development.Buy Now

Script: Sa humigit-kumulang 2 1/2 linggo, ang epiblast ay nakakabuo ng 3 natatanging tisyu, o mga suson ng mikrobyo, na tinatawag na ectoderm, endoderm, at mesoderm.

Ang ectoderm ay nagbubunga sa maraming istraktura kabilang ang utak, gulugod, nerbiyos, balat, kuko, at buhok.

Ang endoderm ay lumilikha ng aporo ng sistema ng paghinga at daanang panunaw ng pagkain, at lumilikha ng mga bahagi ng mga pangunahing sangkap tulad ng atay at lapay.

Ang mesoderm ang bumubuo sa puso, mga bato, mga buto, butong mura, kalamnan, mga selula ng dugo, at ibang mga istraktura.

All ages referenced to fertilization, not last menstrual period.
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