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Fertilization primarily occurs in the oviduct yet implantation usually occurs in the uterus. Why?
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- Ovulation releases _________. a. the corpus luteum b. a primordial follicle c. a primary oocyte d. a secondary oocyte and first polar bodyFigure 43.17 Which of the following statements about the menstrual cycle is false? Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. Menstruation occurs just after LH and FSH levels peak. Menstruation occurs after progesterone levels drop. Estrogen levels rise before ovulation, while progesterone levels rise after.Which oocyte stage is ovulated? What happens to it if it encounters a sperm cell there? What happens if it does not meet up with sperm?
- What happens if an oocyte combines with sperm? Describe the processes involved in implantation. Mention what is occurring, where it is occurring, and any significant hormones involved. How does the zygote make its way through the uterine tube? Women who smoke cigarettes have an increased risk of ectopic pregnancy because the chemicals they absorb paralyze cilia all through the body. Explain.Removal of gonads cannot be considered as a contraceptive option. Why?What is the name of the structure that ultimately implants in the uterus? What would happen if it didn’t make it all the way? What is the fate of the trophoblast?
- Draw and label the following parts: (a) membrane coverings of gonads (b) supporting cells of gonad (c) gametogonia at various stages of maturation (d) blood vessels, nerves, etc. Table 1: Panoramic view of Gonads Testis OvariesIf fertilization occurs, the corpus luteum continues to produce hormones under the direction of Human Chorionic Gonadotrophin (HCG), which is produced by the embryo. By the third month, what begins to produce estradiol and progesterone?The period of female fertility during each Month is short For fextilization to take place intercouce must occur each a) A few hours before ovalation up to 4-5 days after avulation b) Around 24 hours before ovulation up to around. 24 hours after ovulation C) Sometimes between 2-3 days before ovulation upto 2-3 days after ovulation d) Around 4-5 days before ovulation upto a few hours after ovulation E) Around 4-5 days before ovulation upto 4-5. after ovulation.
- Explain how a woman with an ovary removed from one side and a uterine tube removed from the other side can get pregnant (exclude the possibility of in vitro fertilization).Why is it difficult to find both a corpus luteum and corpus albicans on the same slide? What is the function of the secondary oocyte? What is fertilization? Describe the fate of corpus luteum if: pregnancy occurs pregnancy does not occurDescribe the development of an oocyte from primordial follicle to when it is released at ovulation. How do hormones contribute to this progression? Describe the development of a spermatogonia to a spermatozoa. How do hormones contribute to this progression? What is the function of Sertoli and Leydig cells?
