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How are the ovum and spermatozoa transported to the site of fertilisation? Describe the process of fertilisation.
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Solved in 2 steps
- Describe 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?List three ways in which oogenesis differs from spermatogenesis. Be specific!Trace the pathway taken by the oocyte from its release from the ovary to its implantation site in the uterus.
- 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.If 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?Describe the time of fertilization, blastocyst formation, and implantation relative to the time of ovulation.
- Prior to fertilization, where is the male gamete located?Describe the basic histology of the oviduct. How does the histology of the uterus change at different stages of the menstrual cycle? Outline the female reproductive cycle, linking hormone secretion to follicular development and uterine histology. What are some distinctive features of vaginal histology? What is the anatomical and histological organization of the mammary gland and how does this change during pregnancy and lactation?Describe the developmental changes in the fertilised ovum until implantation occurs in the uterus.