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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Reproduction
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1. After implantation, finger-like projections appear on the trophoblast called chorionic villi which are surrounded by the uterine tissue and maternal blood. 2. The chorionic villi and uterine tissue become interdigitated with each other and jointly form a structural and functional unit between developing embryo (foetus) and maternal body called placenta. Regarding 1 and 2 :


( A ) Both are correct
( B ) Both are incorrect
( C ) 1 is incorrect but 2 is correct
( D ) 1 is correct but 2 is incorrect
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1 Answer

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(A) is the right answer.

After implantation, finger-like projections appear on the trophoblast called chorionic villi which are surrounded by the uterine tissue and maternal blood. The chorionic villi and uterine tissue become interdigitated with each other and jointly form a structural and functional unit between developing embryo (foetus) and maternal body called placenta.
answered Apr 3, 2014 by pady_1
 

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