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Questions and Answers
What is the function of the glycoprotein found on the surface of blastomeres?
What is the function of the glycoprotein found on the surface of blastomeres?
- Involved in compaction (correct)
- Involved in fertilization
- Involved in gastrulation
- Involved in neurulation
What is the term for the inner cell mass after blastocyst formation?
What is the term for the inner cell mass after blastocyst formation?
- Morula
- Embryoblast (correct)
- Trophoblast
- Zygote
What must degenerate for implantation to occur?
What must degenerate for implantation to occur?
- Zona pellucida (correct)
- Blastocyst
- Embryoblast
- Trophoblast
Where does the blastocyst usually implant within the uterus?
Where does the blastocyst usually implant within the uterus?
At what stage of the menstrual cycle does implantation occur?
At what stage of the menstrual cycle does implantation occur?
What is the most common site of an ectopic pregnancy?
What is the most common site of an ectopic pregnancy?
What happens to the secondary oocyte if fertilization does not occur?
What happens to the secondary oocyte if fertilization does not occur?
In which layer of the endometrium does the blastocyst implant?
In which layer of the endometrium does the blastocyst implant?
What is the purpose of the basal layer of the endometrium?
What is the purpose of the basal layer of the endometrium?
What is the result of the series of mitotic divisions during cleavage?
What is the result of the series of mitotic divisions during cleavage?
Why must the zona pellucida degenerate for implantation to occur?
Why must the zona pellucida degenerate for implantation to occur?
What is the origin of the mitochondrial DNA in human adult cells?
What is the origin of the mitochondrial DNA in human adult cells?
At which stage of development is the lacunar network formed?
At which stage of development is the lacunar network formed?
What is the term for the type of implantation where the blastocyst is completely implanted within the endometrium?
What is the term for the type of implantation where the blastocyst is completely implanted within the endometrium?
What is the name of the cavity that forms in the extraembryonic mesoderm and coalesces to form the extraembryonic coelom?
What is the name of the cavity that forms in the extraembryonic mesoderm and coalesces to form the extraembryonic coelom?
What is the term for the thin echogenic line observed in the sonogram at about week 3?
What is the term for the thin echogenic line observed in the sonogram at about week 3?
What is the term for the process by which the embryoblast receives maternal nutrients?
What is the term for the process by which the embryoblast receives maternal nutrients?
What is the term for the structure that forms the connection between the embryo and the trophoblast?
What is the term for the structure that forms the connection between the embryo and the trophoblast?
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