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  3. 29. a sacrococcygeal teratoma is a tumor that aris

29. A sacrococcygeal teratoma is a tumor that arises from remnants of what? 30.  The amniotic cavity appears...

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Biology

29. A sacrococcygeal teratoma is a tumor thatarises from remnants of what?

30.  The amniotic cavity appears onthe eighth day as a slit-like space between the trophoblast and thewhat?

31. Where does fertilization usually occur?

32. What is the acrosome reaction

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4.5 Ratings (600 Votes)
29 Sacrococcygeal teratomas are thought to arise from an area under the coccyx called Hensons Node This is an area where primitive cells persist germ cells that can give rise to cells of the three major tissue layers of an embryo ectoderm endoderm    See Answer
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