Campbell Biology: Custom Edition
18th Edition
ISBN: 9781323717271
Author: Urry, Cain, Wasserman, Minorsky, Reece
Publisher: PEARSON C
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Chapter 46, Problem 4TYU
Summary Introduction
Introduction:
The menstrual cycle in females is a regular monthly process in which the lining of the uterus is prepared for pregnancy. If pregnancy does not happen, the lining is shed at menstruation. Hormones secreted from ovaries and pituitary glands control the cycle. Hormones control the release of an egg from an ovary. Oestrogen, follicle-stimulating hormone (FSH), and luteinizing hormone (LH) are the hormones that control the menstrual cycle.
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A sudden surge in the level of LH causes, (a) the onset of menstruation. (b) the rupture of the follicular wall and ovulation. (c) the beginning of the proliferative phase. (d) the end of the uterine cycle.
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The hormones that stimulate the ovarian cycle are secreted by the _____________; the hormones that stimulate the uterine cycle are secreted by the _____________ (a) ovary / uterus, (b) pituitary gland / ovary, (c) follicle cells / functional layer, (d) interstitial cells / placenta, (e) ovary / pituitary gland.
Chapter 46 Solutions
Campbell Biology: Custom Edition
Ch. 46.1 - Compare and contrast the outcomes of asexual and...Ch. 46.1 - Parthenogenesis is the most common form of asexual...Ch. 46.1 - WHAT IF? If a hermaphrodite self-fertilizes, will...Ch. 46.1 - Prob. 4CCCh. 46.2 - How does internal fertilization facilitate life on...Ch. 46.2 - What mechanisms have evolved in animals with (a)...Ch. 46.2 - MAKE CONNECTIONS What are the shared and distinct...Ch. 46.3 - Why might frequent use of a hot tub make it harder...Ch. 46.3 - Prob. 2CCCh. 46.3 - WHAT IF? If each vas deferens in a male was...
Ch. 46.4 - How are the functions of FSH and LH in females and...Ch. 46.4 - How does an estrous cycle differ from a menstrual...Ch. 46.4 - WHAT IF? If a human female begins taking...Ch. 46.4 - Prob. 4CCCh. 46.5 - Prob. 1CCCh. 46.5 - In what ways are tubal ligation and vasectomy...Ch. 46.5 - Prob. 3CCCh. 46 - Would a pair of haploid offspring produced by...Ch. 46 - Identify which of the following, if any, are...Ch. 46 - How does the difference in size and cellular...Ch. 46 - Prob. 46.4CRCh. 46 - Prob. 46.5CRCh. 46 - Prob. 1TYUCh. 46 - In male mammals, excretory and reproductive...Ch. 46 - Prob. 3TYUCh. 46 - Prob. 4TYUCh. 46 - Prob. 5TYUCh. 46 - Prob. 6TYUCh. 46 - Prob. 7TYUCh. 46 - Prob. 8TYUCh. 46 - DRAW IT In human spermatogenesis, mitosis of a...Ch. 46 - Prob. 10TYUCh. 46 - SCIENTIFIC INQUIRY You discover a new egg-laying...Ch. 46 - WRITE ABOUT A THEME: ENERGY AND MATTER In a short...Ch. 46 - SYNTHESIZE YOUR KNOWLEDGE A female Komodo dragon...
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- The uterine cycle can be divided into three continuous phases. Starting from the first day of the cycle, their order is (a) menstrual, proliferative, secretory; (b) menstrual, secretory, proliferative; (c) secretory, menstrual, proliferative; (d) proliferative, menstrual, secretory; (e) proliferative, secretory, menstrual.arrow_forwardWhich of the following statements about the uterine cervix is false? (a) It dilates at the end of the first stage of labor. (b) The internal os opens into the vagina. (c) The cervical glands secrete mucus. (d) It contains the cervical canal.arrow_forwardGross Anatomy of the Human Male and Female Reproductive System a) Name the three layers of the uterine wall from the inside out. Which of these is sloughed during menses?_______ _ ___________________ Which contracts during childbirth? b) Describe the epithelium found in the uterine tube. c) Describe the arrangement of the layers of smooth muscle in the seminal gland.arrow_forward
- The embryonic paramesonephric duct gives rise to the (a) uterus and uterine tubes, (b) ovary, (c) epididymis and vas deferens, (d) urethra.arrow_forwardPathway of sperm from the testis is (A) ejaculatory duct, epididymis, urethra (B) Urethra, epididymis, ejaculatory duct (C) Epididymis, urethra, ejaculatory duct (D) Eipdidymis, ejaculatory duct, urethraarrow_forwardGive the phases of the menstrual cycle and correlate their histologic features seen in the: (a) Endometrium, (b) ovaryarrow_forward
- During the proliferative phase of the uterine cycle, the cervical mucosa(blank), and the endometrial lining(blank). A)Thins/thickens B)Thickens/thickens C)Thickens/things D) Thins/thinsarrow_forwardGross Anatomy of the Human Male Reproductive System a) Name the two ducts that merge to form the ejaculatory duct. b) Describe the composition of semen, and name all structures contributing to its formation. c) Of what importance is the fact that seminal fluid is alkaline?arrow_forwardThe myometrium is the muscular layer of the uterus, and the endometrium is the (a) serosa, (b) adventitia, (c) submucosa, (d) mucosa.arrow_forward
- (c) Name two hormones produced by the ovaries in female. (d) Name the major cells in the gonads that produce the two hormones in (c) during follicular phase. during luteal phases. (e) Contraceptive pill contains the two hormones in (c). Briefly explain how they work.arrow_forwardThe proliferative phase of the female menstrual cycle includes all the following except a) increased secretion of progesterone b ) the second week of the menstrual cycle O c ) late in this phase , cervical mucus becomes thin and crystalline d ) vesicular follicle growtharrow_forwardWhy does the patient have light menstrual periods that have now stopped? Choose all the INCORRECT answer(s) from the options below a) There would be no development of follicles during the follicular phase of the ovarian cycle b) The endometrial lining will continue to increase in thickness c) The cells that produce FSH and LH are located in the hypothalamus and not in the pituitary gland. d) The levels of oestrogen would be higher than normal during the follicular phase of the ovarian cycle. e) The tumor would only affect the cells the produce the hormone that stimulates milk secretion.arrow_forward
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