CBSE Class 12-science Answered
Name the origin of the different FOETAL MEMBRANES and ORGANS OF FOETUS from different GERM LAYERS with the help of making a table as well as digrammatic representation
Asked by pardeepkumar2281 | 14 May, 2018, 10:54: PM
Expert Answer
|
Fetal membranes |
Origin |
|
Yolk sac |
Hypoblast or extraembryonic mesoderm |
|
Amnion |
Epiblast or extraembryonic mesoderm |
|
Chorion |
Trophoblasts or extraembryonic mesoderm |
|
Allantois |
Embryonic hindgut |
|
Placenta |
Chorion or maternal decidua |
|
Umbilical cord |
Extra embryonic area of the ovum |
|
Body stalk |
Mesoderm covered by thickened ectoderm |
Answered by Sheetal Kolte | 15 May, 2018, 11:05: AM
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