Compare and contrast the Oogenesis and structure of the ovaries of: Rat (Vertebrates) Starfish (Invertebrates) Grasshopper (Insects) Frogs (Amphibians)
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Compare and contrast the Oogenesis and structure of the ovaries of:
- Rat (Vertebrates)
- Starfish (Invertebrates)
- Grasshopper (Insects)
- Frogs (Amphibians)
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- Understanding the causes of infertility can be valuablein developing new birth control methods. Cite a type ofcontraceptive based on each of the following causes of infertility:(a) failure to ovulate due to a hormonal imbalance;(b) a large fibroid tumor that disturbs the uterine lining;(c) endometrial tissue blocking uterine tubes;(d) low sperm count (too few sperm per ejaculate).Draw two graphs that illustrate the uterine and ovarian cycles. Explain the functions and FSH, LH, estrogen, and progesterone, giving a step-by-step explanation of maturation of a follicle, ovulation, and the corresponding stages of development of the endometrium.Although the most effective forms of oral contraceptive for women contain estrogen and progestin, some birth control pills contain a small dose of progestin only. This is because there are many risks and side effects associated with estrogen.Which of the following statements is NOT a reason for using a progestin-only oral contraceptive? Select one: a. Progesterone suppresses the maturation of follicles, thereby preventing ovulation of a mature ovum. b. Progesterone maintains the corpus luteum as corpus luteum releases a large amount of progesterone and some estrogen. c. Progestin-only oral contraceptives prevent the production of FSH and LH in the anterior pituitary. d. Progesterone suppresses the production of GnRH in the hypothalamus.
- Understanding the causes of infertility can be valuablein developing new birth control methods. Cite a type ofcontraceptive based on each of the following causes ofinfertility:(a) failure to ovulate due to a hormonal imbalance;(b) a large fibroid tumor that disturbs the uterine lining;(c) endometrial tissue blocking uterine tubes;(d) low sperm count (too few sperm per ejaculate).Listed in the table below are the five major reproductive hormones that support ovulation in female mammals, including the giant panda. Describe the role of each hormone in this process and the approximate time during the ovarian cycle that it reaches peak levels. Hormone Gonadotropin-releasing hormone (GnRH) Estrogen Luteinizing hormone (LH) Follicle stimulating hormone (FSH) Progesterone Role in Regulation of the Menstrual Cycle Timing of Peak LevelSets of reproductive terms are given below. Choose the set that has an incorrect combination. (a) sperm, testis, sperm duct, penis (b) menstruation, egg, oviduct, uterus (c) sperm, oviduct, egg, uterus (d) ovulation, egg, oviduct, uterus
- Although the most effective form of an oral contraceptive for woman contain estrogen and progestin, some birth control pills contain a small dose of progestin-only. This is because there are many risks and side effects. Which of the following statements is NOT a reason for using a progestin-only oral contraceptive? Select one: A. progesterone maintains the corpus luteum as corpus luteum release a large amount of progesterone and estrogen. B. progesterone suppresses the maturation of follicles, thereby preventing ovulation of a mature ovum. C. progestin-only oral contraceptives prevent the production of FSH and LH in the anterior pituitary. D. progesterone suppresses the production of GnRH in the hypothalamus.Compare and contrast the Spermatogenesis and structure of the testes of: Rat (Vertebrates) Starfish (Invertebrates) Grasshopper (Insects) Frogs (Amphibians)What is the correct sequence of events in the development of ovarian follicles? * Primary Oocyte, secondary oocyte, tertiary oocyte, Mature oocyte, Corpus Luteum Primordial follicle, secondary follicle, tertiary follicle, Graafian follicle, Corpus Luteum Primary follicle, primary oocyte, secondary oocyte, Mature oocyte, Corpus Luteum Primordial follicle, primary follicle, secondary follicle, Graafian follicle, Corpus Luteum Primary Oocyte, primary follicle, secondary follicle, Graafian follicle, Corpus Luteum
- What is the correct sequence of organs of the female reproductive system from the beginning of oogenesis until the ovum leaves the body? Group of answer choices ovary, uterus, fallopian tube, vagina vagina, fallopian tube, uterus, ovary uterus, vagina, fallopian tube, ovary ovary, fallopian tube, uterus, vaginaWhich of the following statements about the Female Reproductive System is TRUE? Select one: A) Follicles are located in the ovarian cortex, which has a rich supply of blood vessels and nerve fibres. B) The female gonads secrete progesterone, estrogen, and oxytocin. C) Connective tissue makes up the walls of the ovaries, uterus, and vagi na – whereas epithelial tissue lines the inner sides of the uterus, Fallopian tubes, and vagina. D) Microbial growth is deterred by the non-acidic environment of the vagi na. E) Each ovary is held in place within the abdominopelvic cavity by three ligaments – the broad, suspensory, and uterine ligaments.For the following illustration of an anterior view of the human female reproductive system: for the part labeled with a(n) "B," associate its correct label from the choices below. uterine cavity infundibulum ovary O uterine tubes