AP 4 lab 7 Reviewing Your Knowledge

EXERCISE 40: Reviewing Your Knowledge Name__ _______________ Date_________________ Section_________________ A. Embryonic Development Give the name of the structure that the phrase describes. _Secondary oocyte___________ 1. The name of the ovulated structure prior to fertilization _inner cell mass___________ 2. The blastocyst structure that becomes the embryo _ampulla of uterine tube___________ 3. The anatomical structure where fertilization normally takes place _blastocyst___________ 4. The stage of the embryo that implants in the uterine wall _day 7___________ 5. After fertilization, implantation normally occurs on this day _chorionic villi ___________ 6. The membrane that forms the embryonic side of the placenta _blastocyst___________ 7. The structure that is formed after the morula stage _zona pellucida___________ 8. The structure that the blastocyst sheds before implantation _decidua basalis___________ 9. The structure that forms the maternal side of the placenta _amnion___________ 10. The name of the thin, protective membrane that encompasses the embryo __fetal surface__________ 11. The side of the placenta that is smooth and shiny ___2_________ 12. The number of umbilical arteries in the umbilical cord ___1_________ 13. The number of umbilical veins in the umbilical cord __Chorion has chorionic villi __________ 14. This placental structure has villi _3___________ 15. The number of primary germ layers that form all body organs _placenta___________ 16. Sustains the embryo with nutrients and removes wastes _ovum___________ 17. The name of the female gamete __sperm__________ 18. The name of the male gamete _endometrium___________ 19.