WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 26, Problem 5SA
Summary Introduction
To analyze:
Why the degeneration of the corpus luteum results in the uterus lining sloughing off.
Introduction:
The corpus luteum is a structure that forms from the cells that were surrounding the egg during its development.
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Chapter 26 Solutions
WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
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- Shedding of the functional layer of the endometrium also known as menstruation occurs when a) the concentration of LH in the blood peaks b ) the corpus luteum degenerates and turns into corpus albican c ) blood level of progesterone from the corpus luteum increases e ) blood level of FSH falls offarrow_forwardWhat naturally occurring event could rescue the corpus luteum and prevent its degeneration starting in the middle of the luteal phase?arrow_forwardWhat uterine events are occurring when primary follicles are maturing during the follicular phase of ovarian cycle? What is the dominant ovarian hormone during: i. The follicular phase of the ovarian cycle? ii. The luteal phase of the ovarian cycle?arrow_forward
- Describe the important processes involved in gamete formation in testes and ovaries. What are the major differences between the two?arrow_forwardWhy does menopause occur?arrow_forwardWhat could be the reason why a woman only gets her period after puberty begins? A) Before puberty, high quantities of of corpus luteum are present B) Before puberty, GnRH levels may be too low. C) Before puberty, their endometrial lining is too thick.arrow_forward
- In cryptorchidism, one or both testes of an infant have not descended into the scrotal sac by the first birthday. In these cases, the testes are surgically descended. Why must the testes be descended if the later fertility of the child is to be maintained?arrow_forwardIf the ovum is not fertilized, the corpus luteum regresses, and the endometrium sloughs off to result in the first day of menstrual bleeding. The latter event would be duplicated, even if fertilization occurred, if receptors for which of the following hormones were occupied by an antagonist? A) Dehydroepiandrosterone B) Estradiol C ) Estriol D) Estrone E) Progesteronearrow_forwardDescribe the development of an oocyte from primordial follicle to when it is released at ovulation. How do hormones contribute to this progression? Describe the development of a spermatogonia to a spermatozoa. How do hormones contribute to this progression? What is the function of Sertoli and Leydig cells?arrow_forward
- A) What structure is released from a mature (Graffian) follicle during ovulation? B) After ovulation, what is the function of the corpus luteum?arrow_forwardIn menstruation, the functional layer is shed from the endometrium. Explain the hormonal and physical factors responsible for this shedding. (See Figure 25.19.)arrow_forwardWhy are the males whose testes fail to descend to the scrotum considered infertile?arrow_forward
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