Function of chorion 1)Exchange of metabolite portion of placenta( chorion frondosum) 2)Hormone production human chorionic gonadotropin绒毛膜促性腺激素 (HCG
Function of Chorion 1) Exchange of metabolite: portion of placenta (Chorion frondosum) 2) Hormone production: human chorionic gonadotropin绒毛膜促性腺激素 (HCG)
Amnion(羊膜) .Amniotic membrane: amniotic epi. extraembryonic mesoderm ● Amniotic fluid: Produce: 1 )amniotic cells 2)urine output from the fetus Output: 1)absorbed by amniotic cells 2)fetus swallow 1-1.5 liter -circulate
Amnion（羊膜） •Amniotic membrane: amniotic epi.+ extraembryonic mesoderm •Amniotic fluid: Produce:1)amniotic cells 2) urine output from the fetus Output: 1) absorbed by amniotic cells 2) fetus swallow •1-1.5 liter – circulate