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

HormoneSourceWhen it PeaksFollicle-Stimulating Hormone (FSH)Anterior pituitaryJust before ovulation…

Answered: 3. During the ovulation cycle, which…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter49: Animal Reproduction

Section: Chapter Questions

Problem 7TYK

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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
Match each hormone with its source. ____ FSH and LH a. pituitary gland ____ GnRH b. ovaries ____ estrogens c. hypothalamus ____ testosterone d. testes
Figure 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.
What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? Tire cells would not continue to divide. Tire corpus luteum would continue to produce progesterone and estrogen. Menses would flush the blastocyst out of the uterus. Tire uterine mucosa would not envelop the blastocyst.
Besides producing gametes (sperm and eggs), the primary male and female reproductive organs also produce sex hormones. The _____ and the pituitary gland control secretion of both.
How does the decrease in progesterone at the last weeks of pregnancy help to bling on labor? stimulating FSH production decreasing the levels of estrogens dilating the cervix decreasing the inhibition of uterine contractility
Figure 18.17 Which of the following statements about hormone regulation of the female reproductive cycle is false? a. LH and FSH are produced in the pituitary, and estrogen and progesterone are produced in the ovaries. b. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. c. Both progesterone and estrogen are produced by the follicles. d. Secretion of GnRH by the hypothalamus is inhibited by low levels of estrogen but stimulated by high levels of estrogen.
Match each pituitary hormone with its target. ____antidiuretic hormone a. gonads (ovaries, testes) ____oxytocin b. mammary glands, uterus ____luteinizing hormone c. kidneys ____growth hormone d. most body cells
Watch this video (http://openstaxcollege.org/l/ovulation) to observe ovulation and its initiation in response to the release of FSH and LH from the pituitary gland. What specialized structures help guide the oocyte from the ovary into the uterine tube?
A male attains an erection when ___ . a. muscles running the length of the penis contract b. Leydig cells release a surge of testosterone c. the posterior pituitary releases oxytocin d. spongy tissue inside the penis fins with blood.

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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?