study_ing
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maternal component=decidua basalis (portin of endometrium)
fetal component= tertiary chorionic villi
if they ask abt placenta as a whole it has both fetAL AND MATERNAL. but here they asked only abt the chorionic villi
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| tolito
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correct.
why does it not evoke an immunologic reaction by the mother being a foreign tissue???
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| study_ing
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thats one of the mysteries of science...
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| tolito
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i know the answer.
the cells of th syncittiotrop do not express MHC. So they are not seen as foreign. cf.levinson and jawetz
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