Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 25, Problem 6RQ
The hormone-secreting layer of the placental barrier is (a) the extraembryonic mesoderm, (b) the lacunae, (c) endothelium, (d) cytotrophoblast, (e) syncytiotrophoblast.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which cells in the ovaries secrete hormones? (a) oocytes, (b) zona pellucida, (c) theca and granulosa cells, (d) corpus albicans.
The hormone that induces ovulation in women and promotes the ovarian secretion of progesterone is (a) interstitial cell-stimulating hormone. (b) estradiol. (c) luteinizing hormone. (d) prolactin.
The part of the endometrium that undergoes cyclical changes in response to variations in sex hormone levels is the, (a) serosa. (b) basal layer. (c) muscular myometrium. (d) functional layer.
Chapter 25 Solutions
Human Anatomy
Ch. 25 - Where are interstitial cells located? What is...Ch. 25 - Distinguish the tunica albuginea from the tunica...Ch. 25 - What is meant by the phrase "sperm mature in the...Ch. 25 - Where is the ejaculatory duct located?Ch. 25 - Which pair of accessory glands produces the...Ch. 25 - Which erectile tissue does the urethra pass...Ch. 25 - How many spermatids are formed from each primary...Ch. 25 - What roles do sustentocytes play in sperm...Ch. 25 - What are the components of the head of the sperm?...Ch. 25 - What type of tissue lines the uterine tubes? How...
Ch. 25 - Name the peritoneal supports of the female...Ch. 25 - Describe the location of each of the following...Ch. 25 - What are the male homologues of the following...Ch. 25 - Which hormone stimulates follicle development in...Ch. 25 - During which period of a female’s life do stem...Ch. 25 - What is the corpus luteum, and what role does it...Ch. 25 - When does the glandular portion of the breast...Ch. 25 - What prevents more than one sperm from fertilizing...Ch. 25 - What part of the placenta is formed from maternal...Ch. 25 - In addition to nourishing the developing fetus,...Ch. 25 - What type of screening is most common for each...Ch. 25 - What do the embryonic mesonephric ducts form in a...Ch. 25 - What are secondary sex characteristics in males...Ch. 25 - Which of the following statements about the female...Ch. 25 - For each of the following hollow organs; choose...Ch. 25 - Which of the following structures produces the...Ch. 25 - The uterine cycle can be divided into three...Ch. 25 - Prob. 5RQCh. 25 - The hormone-secreting layer of the placental...Ch. 25 - The function of the stereocilia in the duct of the...Ch. 25 - The broad ligament of the uterus in the female...Ch. 25 - The embryonic paramesonephric duct gives rise to...Ch. 25 - Which of the following statements about the...Ch. 25 - If the uterine tube is a trumpet ("salpinx"), what...Ch. 25 - The myometrium is the muscular layer of the...Ch. 25 - What occurs during the proliferative phase of the...Ch. 25 - Which cells in the ovaries secrete hormones? (a)...Ch. 25 - Prob. 15RQCh. 25 - The hormones that stimulate the ovarian cycle are...Ch. 25 - Sustentocytes (a) nourish spermatocytes and....Ch. 25 - Match the embryonic structures listed in column B...Ch. 25 - Why would a radical mastectomy affect ability to...Ch. 25 - Based on what you know about the sources of semen,...Ch. 25 - A 68-year-old man who has trouble urinating is...Ch. 25 - Gina gave birth to six children. During an...Ch. 25 - Why do doctors often recommend that men not wear...Ch. 25 - Explain how a woman with an ovary removed from one...Ch. 25 - In severe cases of endometriosis, endometrial...Ch. 25 - Name three sets of arteries that must be...
Knowledge Booster
Learn more about
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
- Oestrogens are produced from androgens in the granulosa cells (GC) in the ovary. These androgens are derived from… a) The blood b) The interstitial (theca) cells c) Granulosa cells d) The oocytearrow_forwardThe secretion of gonadotropins is stimulated by a ) LH b ) inhibin d ) GnRH e) testosteronearrow_forwardThe hormone that induces ovulation in women and promotes the ovarian secretion of progesterone is, (a) follicle-stimulating hormone. (b) estradiol.(c) luteinizing hormone. (d) prolactin.arrow_forward
- The ovaries stop secreting estrogens and testosterone after menopause. This does not lead to (a) an increase in the growth of pubic hair, (b) cardiovascular disorders, (c) a decline in bone mass, (d) vaginal dryness.arrow_forwardWhich of these factors reduces the release of GnRH (gonadotropin releasing hormone) from the hypothalamus? a) Increase in testosterone b) Reduction of FSH c) Reduction of inhibin d) Reduction of LHarrow_forwardWhich of the following events does not take place when a fetus is 17 to 20 weeks old? (a) fetal movements quicken, (b) testes descend to the scrotum, (c) silklike hair covers the skin, (d) sweat glands form.arrow_forward
- Which hormone is primarily responsible for maintaining the early stages of pregnancy? A) Estrogen B) Progesterone C) Human Chorionic Gonadotropin (hCG) D) Oxytocinarrow_forwardMilk let-down is associated with (a) events occurring in the uterus. (b) placental hormonal influences. (c) circadian rhythms. (d) reflex action triggered by suckling.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_forward
- (b) Distinguish between gonadotrophin releasing hormone and chorionic gonadotrophin. motogerarrow_forwardThe outer layer of the blastocyst, which attaches to the uterine wall, is the (a) yolk sac, (b) trophoblast, (c) amnion, (d) inner cell mass.arrow_forwardAfter birth, there is production and secretion of milk from the mother'smammary glands.a) Discuss the similarities and differences observed in the stages ofdevelopment of the adult breast tissue, specifically from the nonpregnant, to the pregnant and finally to the lactating stage.b) Why is it normally only after birth that lactogenesis occurs?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Surgical Tech For Surgical Tech Pos CareHealth & NutritionISBN:9781337648868Author:AssociationPublisher:Cengage
Surgical Tech For Surgical Tech Pos Care
Health & Nutrition
ISBN:9781337648868
Author:Association
Publisher:Cengage
Great Glands - Your Endocrine System: CrashCourse Biology #33; Author: CrashCourse;https://www.youtube.com/watch?v=WVrlHH14q3o;License: Standard Youtube License