Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 50, Problem 12TYU
Test Your Understanding
12 INTERPRET DATA Examine Figure 50-14. Which hormones are present in largest concentration just before ovulation? During which part of the menstrual cycle is the endometrium most prepared to receive an embryo? Which hormones stimulate thickening of the endometrium?
Gonadotropic hormones and ovarian hormones regulate the monthly sequence of events that take place within the ovary and uterus. The preovulatory phase begins with menstruation; the postovulatory phase begins after ovulation.
Figure 50-14 Endocrine regulation of the menstrual cycle When fertilization does not occur, the menstrual cycle repeats about every 28 days. Note the changes in hormone concentrations that regulate the menstrual cycle. (FSH, follicle-stimulating hormone; LH, luteinizing hormone)
PREDICT What happens when a. woman’s ovaries produce a very low amount of estrogen?
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Based on the given graph:
Topic: Menstruation Cycle
1. What is the body temperature difference of the follicular phase compared to the luteal phase?
2. Which hormone is at its peak during ovulation?
Please answer fast
1. Describe the events that occur in the ovaries as a rat goes through the estrus cycle. Relate these changes to the cyclic changes of the vaginal epithelium.
2. Trace the course of events from the release of ACh by a motor neuron to the binding of myosin cross-bridges to actin. of the nerve that innervates the muscle. Propose an explanation for these results.
3. What would a vaginal smear performed on an ovariectomized rat (one with its ovaries removed) look like? Explain.
MARK MY CALENDAR!
Color/mark the date/s in the calendar as described by the following events of 28-
days menstrual cycle. The blood drop image indicates the first day of the cycle.
RED- uterus sheds its inner lining of soft tissue and blood vessels
BLUE-last day of the Follicular Phase
GREEN- a mature egg cell is released from the ovary
YELLOW- days of the Luteal Phase
MARK X- most fertile days
Chapter 50 Solutions
Biology (MindTap Course List)
Ch. 50.1 - Prob. 1LOCh. 50.1 - Distinguish among budding, fragmentation, and...Ch. 50.1 - Prob. 2CCh. 50.2 - Relate the structure of each organ of the human...Ch. 50.2 - Trace the passage of sperm cells through the human...Ch. 50.2 - Prob. 4LOCh. 50.2 - Prob. 1CCh. 50.2 - Prob. 2CCh. 50.2 - Prob. 3CCh. 50.2 - Prob. 4C
Ch. 50.3 - Prob. 5LOCh. 50.3 - Trace the development of a human egg and trace its...Ch. 50.3 - Describe the endocrine regulation of reproduction...Ch. 50.3 - Prob. 1CCh. 50.3 - Prob. 2CCh. 50.3 - Prob. 3CCh. 50.4 - Prob. 8LOCh. 50.4 - Prob. 1CCh. 50.4 - Prob. 2CCh. 50.4 - Which hormones most affect the birth process? What...Ch. 50.5 - Prob. 9LOCh. 50.5 - Prob. 1CCh. 50.6 - Prob. 10LOCh. 50.6 - Prob. 1CCh. 50.6 - Prob. 2CCh. 50.6 - Prob. 3CCh. 50.7 - Prob. 11LOCh. 50.7 - Prob. 1CCh. 50.7 - Prob. 2CCh. 50 - Hermaphroditism (a) is a form of asexual...Ch. 50 - Prob. 2TYUCh. 50 - Prob. 3TYUCh. 50 - Prob. 4TYUCh. 50 - Prob. 5TYUCh. 50 - Test Your Understanding 6 After ovulation, the...Ch. 50 - Prob. 7TYUCh. 50 - Prob. 8TYUCh. 50 - Prob. 9TYUCh. 50 - Test Your Understanding 10 Which sequence best...Ch. 50 - Prob. 11TYUCh. 50 - Test Your Understanding 12 INTERPRET DATA Examine...Ch. 50 - Test Your Understanding 13 EVOLUTION LINK Contrast...Ch. 50 - Prob. 14TYUCh. 50 - Test Your Understanding 15 SCIENCE, TECHNOLOGY,...Ch. 50 - Test Your Understanding 16 SCIENCE, TECHNOLOGY,...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Test Your Understanding 6 After ovulation, the secondary oocyte enters the (a) oviduct (b) corpus luteum (c) cervix (d) ovary (e) vaginaarrow_forwardTest Your Understanding 13 EVOLUTION LINK Contrast the biological advantages of hermaphroditism that involves cross-fertilization with hermaphroditism that involves self-fertilization.arrow_forwardFigure 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.arrow_forward
- Watch this series of videos (http://openstaxcollege.org/l/oocyte) to look at the movement of the oocyte through the ovary. The cilia in the uterine tube promote movement of the oocyte. What would likely occur if the cilia were paralyzed at the time of ovulation?arrow_forwardTest Your Understanding 10 Which sequence best describes the passage of sperm? 1. urethra 2. vas deferens 3. epididymis 4. ejaculatory duct 5. seminiferous tubules (a) 3, 1, 2, 4, 5 (b) 1, 3, 2, 4, 5 (c) 5, 3, 2, 4, 1 (d) 1, 3, 4, 2, 5 (e) 3, 1, 4, 2, 5arrow_forwardTest Your Understanding 15 SCIENCE, TECHNOLOGY, AND SOCIETY Why do you think that a variety of effective methods of male contraception have not yet been developed? If you were a researcher, what are some approaches you might take to develop a method of male contraception?arrow_forward
- Create one comprehensive illustration of the ovarian and menstrual cycle. For the ovarian cycle, briefly describe each stage of oocyte development instead of drawing them. Make sure you present hormones that regulate this cycle. For the Menstrual cycle, it is important that you show the thickening of the endometrium.arrow_forwardExplain further each number 1. Compare and contrast the sequence of fertilization events that take place in the sea urchin vs. mammals. 2. How do the sperm and egg recognize each other? What molecules are involved?arrow_forwardDirection: Study the given series of events below. Arrange the sequence of the following events in chronological order by numbering each event from 1 to 5 according to the four phases of the menstrual cycle. Then, indicate on the space provided in which phase of the menstrual cycle does each event occur. Example answer: 3 Follicular Phase ___The body produces Human Chorionic Gonadotropin (HCG) if the mature egg is in order to maintain the thickness of the uterine lining for the fertilized to develop into an embryo. If not fertlized, the corpus luteum will be dissolved into the body and disappear and both hormone levels will fell. ______________________ ___The Mentrual cycle officially starts.______________ ___The pituitary gland releases Luteinizing Hormone as a result of rising levels of estrogen in order to stimulate the ovary to release a mature egg._________________arrow_forward
- What is the function of each part of the diagram?Male Reproductive System: What two phases of a person's life do testosterone determine "male" development? Consider both gonadal and brain development, as outlined in the slides, as well as secondary sex characteristics. What does this imply about gender identity later in life? Female Reproductive System:Label this diagram. What is the function of each part of the diagram? Explain IN DETAIL how the following figure describes one month in a woman's life between puberty and menopause. What is happening day by day? What happens at puberty to get it started and what happens at menopause to end it?arrow_forwardFill in the blanks: (a)The process of release of ovum from a mature follicle is called_____________(b) Ovulation is induced by a hormone called _____________(c) The fusion of male and female gametes is called _____________(d) Fertilisation takes place in _____________(e) Zygote divides to form _____________which is implanted in uterus.(h) The structure which provides vascular connection between foetusand uterus is called _____________arrow_forwardmake a concept map out from the essay below. The epic story of a single sperm facing incredible odds to unite with an egg and form a new human life it is the story of all of us. During sexual intercourse about 300 million sperm enter the vagina. Soon afterward millions of them will either flow out of the vagina or die in its acidic environment. However, many survive because of the protective elements provided in the fluid surrounding them. Next the sperm must pass through the cervix and opening into the uterus. Usually, it remains tightly closed but here the cervix is open for a few days while the woman ovulates. The sperm swim through the cervical mucus which is thinned to a more watery consistency for easier passage. Once inside the cervix the sperm continues swimming toward the uterus though millions will die trying to make it through the mucus. Some sperm remained behind caught in the folds of the cervix, but they may later continue the journey as a backup to the first group.…arrow_forward
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