Answered: 3. During the ovulation cycle, which…

3. During the ovulation cycle, which hormones are released from the ovary and which are released from the anterior pituitary? At which point in the cycle does each hormone peak?

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter41: Animal Reproductive System

Section: Chapter Questions

Problem 8SQ: A male attains an erection when ___ . a. muscles running the length of the penis contract b. Leydig...

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3. During the ovulation cycle, which hormones are released from the
ovary and which are released from the anterior pituitary? At which
point in the cycle does each hormone peak?

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Figure 43.15 Which of the following statements about hormone regulation of the female reproductive cycle is false? LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. Both progesterone and estradiol are produced by the follicles. Secretion of GnRH by the hypothalamus is inhibited by low levels of estradiol but stimulated by high levels of estradiol.
Which hypothalamic hormone contributes to the regulation of the male reproductive system? luteinizing hormone gonadotropin-releasing hormone follicle-stimulating hormone androgens
Match each hormone with its effect. oxytocin a. growth of facial hair testosterone b. uterus contracts LH c. LH, FSH are released GnRH d. surge causes ovulation FSH e. follicle develops HCG f. milk is produced prolactin g. corpus luteum is maintained
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1. Discuss the hypothalamic-pituitary-ovarian axis and the physiologic basis for the interplay of the various hormones involved in the axis. 2. Give the phase of the menstrual cycle and correlate the histologic features seen in the: (a) Endometrium, (b) ovary
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2. Fill in the missing terms in the following description of the menstrual cycle. The menstrual cycle is a _(1) day cycle of development of an egg in the _(3). (2) and changes in the in preparation for a possible pregnancy. All of this is controlled by changing hormone levels. One egg per month begins to develop due to the hormone _(4). being released from the (5) The ovary surrounding the developing egg then releases the hormone (6) _(8). that causes _(7) The releases the hormone (9) in large quantities and this causes _(10), the release of the egg. The empty follicle forms (11). that secretes the hormone a scar called the (12) that causes If the egg is fertilized on its way to the (13)_ that causes produces the hormone _(16)_ _(15)_ uterus, the _(14) If the egg is not fertilized, the lining of the uterus (endometrium) is shed as menstrual flow for about 5 days. 1. 28 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14.
1.This will stimulate the ovary to start the development of an egg cell and the secretion of estrogen. A. Follicle-stimulating hormone (FSH) B. Gonadotropin-releasing hormone (GnRH) C. Luteinizing hormone (LH) D. Prolactin 2. Which of the following is the negative feedback effect of ovaries losing sensitivity to FSH and LH? A. higher fertility rate B. an increase in production of estrogen. C. irregular cycle of ovulation and menstruation D. increase follicular development and ovulation.
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9. The pituitary gland releases follicle stimulating hormone (FSH). This hormone stimulates the ovary to produce around five to 20 follicles (tiny nodules or cysts), which bead on the surface. * A. True B. False 10. The hypothalamus in the brain recognizes these rising levels and releases a chemical called gonadotrophin-releasing hormone (GNRH). This hormone prompts the pituitary gland to produce raised levels of luteinizing hormone (LH) and FSH. * A. True B. False 11. This hormone is produced by the pituitary gland. It regulates the functions of both the ovaries and testes. * A. Follicle Stimulating Hormone (FSH) B. Luteinizing Hormone (LH) C. Estrogen D. Progesterone 12.This hormone plays an important role in sexual development and functioning. In women, LH helps control the menstrual cycle. It also triggers the release of an egg from the ovary. * A. Follicle Stimulating Hormone (FSH) B. Luteinizing Hormone (LH) C. Estrogen D. Progesterone 13. helps make women curvier than men by…